Home / 574,530.16-861,854.10-219,842.56

Finding the Fourth Proportional to 574,530.16, 861,854.10 and 219,842.56

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Solution

The fourth proportional to 574,530.16, 861,854.10 and 219,842.56 is: 329,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,530.16 : 861,854.10 = 219,842.56 : x
  2. Step 2: Convert to fraction form
    574,530.16/861,854.10 = 219,842.56/x
  3. Step 3: Cross multiply
    574,530.16x = 861,854.10 × 219,842.56
  4. Step 4: Simplify right side
    574,530.16x = 189,472,211,690.50
  5. Step 5: Solve for x
    x = 189,472,211,690.50/574,530.16
  6. Step 6: Final answer
    x = 329,786.36

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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.