Home / 1,012,037.96-1,396,574.08-553,148.75

Finding the Fourth Proportional to 1,012,037.96, 1,396,574.08 and 553,148.75

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Solution

The fourth proportional to 1,012,037.96, 1,396,574.08 and 553,148.75 is: 763,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,037.96 : 1,396,574.08 = 553,148.75 : x
  2. Step 2: Convert to fraction form
    1,012,037.96/1,396,574.08 = 553,148.75/x
  3. Step 3: Cross multiply
    1,012,037.96x = 1,396,574.08 × 553,148.75
  4. Step 4: Simplify right side
    1,012,037.96x = 772,513,202,442.97
  5. Step 5: Solve for x
    x = 772,513,202,442.97/1,012,037.96
  6. Step 6: Final answer
    x = 763,324.34

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Half scale
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Double scale
Find fourth proportional to 1,012,038.96, 1,396,575.46 and 553,149.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.