Home / 827,354.70-1,239,719.85-546,543.90

Finding the Fourth Proportional to 827,354.70, 1,239,719.85 and 546,543.90

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Solution

The fourth proportional to 827,354.70, 1,239,719.85 and 546,543.90 is: 818,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,354.70 : 1,239,719.85 = 546,543.90 : x
  2. Step 2: Convert to fraction form
    827,354.70/1,239,719.85 = 546,543.90/x
  3. Step 3: Cross multiply
    827,354.70x = 1,239,719.85 × 546,543.90
  4. Step 4: Simplify right side
    827,354.70x = 677,561,321,726.42
  5. Step 5: Solve for x
    x = 677,561,321,726.42/827,354.70
  6. Step 6: Final answer
    x = 818,949.02

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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.