Home / 924,483.60-1,386,859.80-392,003.60

Finding the Fourth Proportional to 924,483.60, 1,386,859.80 and 392,003.60

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Solution

The fourth proportional to 924,483.60, 1,386,859.80 and 392,003.60 is: 588,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,483.60 : 1,386,859.80 = 392,003.60 : x
  2. Step 2: Convert to fraction form
    924,483.60/1,386,859.80 = 392,003.60/x
  3. Step 3: Cross multiply
    924,483.60x = 1,386,859.80 × 392,003.60
  4. Step 4: Simplify right side
    924,483.60x = 543,654,034,295.28
  5. Step 5: Solve for x
    x = 543,654,034,295.28/924,483.60
  6. Step 6: Final answer
    x = 588,062.39

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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.