Home / 752,344.53-1,038,235.39-430,061.55

Finding the Fourth Proportional to 752,344.53, 1,038,235.39 and 430,061.55

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Solution

The fourth proportional to 752,344.53, 1,038,235.39 and 430,061.55 is: 593,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,344.53 : 1,038,235.39 = 430,061.55 : x
  2. Step 2: Convert to fraction form
    752,344.53/1,038,235.39 = 430,061.55/x
  3. Step 3: Cross multiply
    752,344.53x = 1,038,235.39 × 430,061.55
  4. Step 4: Simplify right side
    752,344.53x = 446,505,121,088.26
  5. Step 5: Solve for x
    x = 446,505,121,088.26/752,344.53
  6. Step 6: Final answer
    x = 593,484.90

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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.