Home / 752,422.38-1,038,700.11-476,917.89

Finding the Fourth Proportional to 752,422.38, 1,038,700.11 and 476,917.89

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Solution

The fourth proportional to 752,422.38, 1,038,700.11 and 476,917.89 is: 658,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,422.38 : 1,038,700.11 = 476,917.89 : x
  2. Step 2: Convert to fraction form
    752,422.38/1,038,700.11 = 476,917.89/x
  3. Step 3: Cross multiply
    752,422.38x = 1,038,700.11 × 476,917.89
  4. Step 4: Simplify right side
    752,422.38x = 495,374,664,803.97
  5. Step 5: Solve for x
    x = 495,374,664,803.97/752,422.38
  6. Step 6: Final answer
    x = 658,373.11

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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.