Home / 923,605.40-1,274,787.96-541,755.20

Finding the Fourth Proportional to 923,605.40, 1,274,787.96 and 541,755.20

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Solution

The fourth proportional to 923,605.40, 1,274,787.96 and 541,755.20 is: 747,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,605.40 : 1,274,787.96 = 541,755.20 : x
  2. Step 2: Convert to fraction form
    923,605.40/1,274,787.96 = 541,755.20/x
  3. Step 3: Cross multiply
    923,605.40x = 1,274,787.96 × 541,755.20
  4. Step 4: Simplify right side
    923,605.40x = 690,623,007,382.78
  5. Step 5: Solve for x
    x = 690,623,007,382.78/923,605.40
  6. Step 6: Final answer
    x = 747,746.83

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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.