Home / 752,007.10-1,128,010.65-528,058.30

Finding the Fourth Proportional to 752,007.10, 1,128,010.65 and 528,058.30

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Solution

The fourth proportional to 752,007.10, 1,128,010.65 and 528,058.30 is: 792,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,007.10 : 1,128,010.65 = 528,058.30 : x
  2. Step 2: Convert to fraction form
    752,007.10/1,128,010.65 = 528,058.30/x
  3. Step 3: Cross multiply
    752,007.10x = 1,128,010.65 × 528,058.30
  4. Step 4: Simplify right side
    752,007.10x = 595,655,386,220.90
  5. Step 5: Solve for x
    x = 595,655,386,220.90/752,007.10
  6. Step 6: Final answer
    x = 792,087.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.