Home / 924,154.80-1,385,195.40-391,585.20

Finding the Fourth Proportional to 924,154.80, 1,385,195.40 and 391,585.20

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Solution

The fourth proportional to 924,154.80, 1,385,195.40 and 391,585.20 is: 586,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,154.80 : 1,385,195.40 = 391,585.20 : x
  2. Step 2: Convert to fraction form
    924,154.80/1,385,195.40 = 391,585.20/x
  3. Step 3: Cross multiply
    924,154.80x = 1,385,195.40 × 391,585.20
  4. Step 4: Simplify right side
    924,154.80x = 542,422,017,748.08
  5. Step 5: Solve for x
    x = 542,422,017,748.08/924,154.80
  6. Step 6: Final answer
    x = 586,938.48

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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.