Home / 658,819.40-908,487.06-563,641.16

Finding the Fourth Proportional to 658,819.40, 908,487.06 and 563,641.16

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Solution

The fourth proportional to 658,819.40, 908,487.06 and 563,641.16 is: 777,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,819.40 : 908,487.06 = 563,641.16 : x
  2. Step 2: Convert to fraction form
    658,819.40/908,487.06 = 563,641.16/x
  3. Step 3: Cross multiply
    658,819.40x = 908,487.06 × 563,641.16
  4. Step 4: Simplify right side
    658,819.40x = 512,060,700,343.39
  5. Step 5: Solve for x
    x = 512,060,700,343.39/658,819.40
  6. Step 6: Final answer
    x = 777,239.86

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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.