Home / 558,680.16-770,996.10-316,972.92

Finding the Fourth Proportional to 558,680.16, 770,996.10 and 316,972.92

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Solution

The fourth proportional to 558,680.16, 770,996.10 and 316,972.92 is: 437,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,680.16 : 770,996.10 = 316,972.92 : x
  2. Step 2: Convert to fraction form
    558,680.16/770,996.10 = 316,972.92/x
  3. Step 3: Cross multiply
    558,680.16x = 770,996.10 × 316,972.92
  4. Step 4: Simplify right side
    558,680.16x = 244,384,885,125.61
  5. Step 5: Solve for x
    x = 244,384,885,125.61/558,680.16
  6. Step 6: Final answer
    x = 437,432.55

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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.