Home / 752,753.79-1,038,773.35-426,059.79

Finding the Fourth Proportional to 752,753.79, 1,038,773.35 and 426,059.79

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Solution

The fourth proportional to 752,753.79, 1,038,773.35 and 426,059.79 is: 587,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,753.79 : 1,038,773.35 = 426,059.79 : x
  2. Step 2: Convert to fraction form
    752,753.79/1,038,773.35 = 426,059.79/x
  3. Step 3: Cross multiply
    752,753.79x = 1,038,773.35 × 426,059.79
  4. Step 4: Simplify right side
    752,753.79x = 442,579,555,358.60
  5. Step 5: Solve for x
    x = 442,579,555,358.60/752,753.79
  6. Step 6: Final answer
    x = 587,947.30

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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.