Home / 1,012,150.35-1,396,799.73-553,254.84

Finding the Fourth Proportional to 1,012,150.35, 1,396,799.73 and 553,254.84

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Solution

The fourth proportional to 1,012,150.35, 1,396,799.73 and 553,254.84 is: 763,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,150.35 : 1,396,799.73 = 553,254.84 : x
  2. Step 2: Convert to fraction form
    1,012,150.35/1,396,799.73 = 553,254.84/x
  3. Step 3: Cross multiply
    1,012,150.35x = 1,396,799.73 × 553,254.84
  4. Step 4: Simplify right side
    1,012,150.35x = 772,786,211,133.19
  5. Step 5: Solve for x
    x = 772,786,211,133.19/1,012,150.35
  6. Step 6: Final answer
    x = 763,509.31

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Double scale
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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.