Home / 924,418.30-1,386,776.44-284,721.83

Finding the Fourth Proportional to 924,418.30, 1,386,776.44 and 284,721.83

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Solution

The fourth proportional to 924,418.30, 1,386,776.44 and 284,721.83 is: 427,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,418.30 : 1,386,776.44 = 284,721.83 : x
  2. Step 2: Convert to fraction form
    924,418.30/1,386,776.44 = 284,721.83/x
  3. Step 3: Cross multiply
    924,418.30x = 1,386,776.44 × 284,721.83
  4. Step 4: Simplify right side
    924,418.30x = 394,845,520,319.59
  5. Step 5: Solve for x
    x = 394,845,520,319.59/924,418.30
  6. Step 6: Final answer
    x = 427,128.63

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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.