Home / 714,252.27-985,680.11-391,992.35

Finding the Fourth Proportional to 714,252.27, 985,680.11 and 391,992.35

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Solution

The fourth proportional to 714,252.27, 985,680.11 and 391,992.35 is: 540,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,252.27 : 985,680.11 = 391,992.35 : x
  2. Step 2: Convert to fraction form
    714,252.27/985,680.11 = 391,992.35/x
  3. Step 3: Cross multiply
    714,252.27x = 985,680.11 × 391,992.35
  4. Step 4: Simplify right side
    714,252.27x = 386,379,060,707.20
  5. Step 5: Solve for x
    x = 386,379,060,707.20/714,252.27
  6. Step 6: Final answer
    x = 540,956.02

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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.