Home / 924,070.20-1,385,505.90-391,446.60

Finding the Fourth Proportional to 924,070.20, 1,385,505.90 and 391,446.60

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Solution

The fourth proportional to 924,070.20, 1,385,505.90 and 391,446.60 is: 586,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,070.20 : 1,385,505.90 = 391,446.60 : x
  2. Step 2: Convert to fraction form
    924,070.20/1,385,505.90 = 391,446.60/x
  3. Step 3: Cross multiply
    924,070.20x = 1,385,505.90 × 391,446.60
  4. Step 4: Simplify right side
    924,070.20x = 542,351,573,834.94
  5. Step 5: Solve for x
    x = 542,351,573,834.94/924,070.20
  6. Step 6: Final answer
    x = 586,915.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.