Home / 714,204.30-985,600.56-387,517.23

Finding the Fourth Proportional to 714,204.30, 985,600.56 and 387,517.23

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Solution

The fourth proportional to 714,204.30, 985,600.56 and 387,517.23 is: 534,773.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,204.30 : 985,600.56 = 387,517.23 : x
  2. Step 2: Convert to fraction form
    714,204.30/985,600.56 = 387,517.23/x
  3. Step 3: Cross multiply
    714,204.30x = 985,600.56 × 387,517.23
  4. Step 4: Simplify right side
    714,204.30x = 381,937,198,897.65
  5. Step 5: Solve for x
    x = 381,937,198,897.65/714,204.30
  6. Step 6: Final answer
    x = 534,773.03

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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.