Home / 1,012,151.36-1,396,768.75-553,267.73

Finding the Fourth Proportional to 1,012,151.36, 1,396,768.75 and 553,267.73

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Solution

The fourth proportional to 1,012,151.36, 1,396,768.75 and 553,267.73 is: 763,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,151.36 : 1,396,768.75 = 553,267.73 : x
  2. Step 2: Convert to fraction form
    1,012,151.36/1,396,768.75 = 553,267.73/x
  3. Step 3: Cross multiply
    1,012,151.36x = 1,396,768.75 × 553,267.73
  4. Step 4: Simplify right side
    1,012,151.36x = 772,787,075,647.44
  5. Step 5: Solve for x
    x = 772,787,075,647.44/1,012,151.36
  6. Step 6: Final answer
    x = 763,509.40

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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.