Home / 924,987.30-1,387,286.55-392,525.70

Finding the Fourth Proportional to 924,987.30, 1,387,286.55 and 392,525.70

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Solution

The fourth proportional to 924,987.30, 1,387,286.55 and 392,525.70 is: 588,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,987.30 : 1,387,286.55 = 392,525.70 : x
  2. Step 2: Convert to fraction form
    924,987.30/1,387,286.55 = 392,525.70/x
  3. Step 3: Cross multiply
    924,987.30x = 1,387,286.55 × 392,525.70
  4. Step 4: Simplify right side
    924,987.30x = 544,545,624,139.34
  5. Step 5: Solve for x
    x = 544,545,624,139.34/924,987.30
  6. Step 6: Final answer
    x = 588,706.05

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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.