Home / 564,976.91-847,466.78-138,514.64

Finding the Fourth Proportional to 564,976.91, 847,466.78 and 138,514.64

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Solution

The fourth proportional to 564,976.91, 847,466.78 and 138,514.64 is: 207,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,976.91 : 847,466.78 = 138,514.64 : x
  2. Step 2: Convert to fraction form
    564,976.91/847,466.78 = 138,514.64/x
  3. Step 3: Cross multiply
    564,976.91x = 847,466.78 × 138,514.64
  4. Step 4: Simplify right side
    564,976.91x = 117,386,557,369.75
  5. Step 5: Solve for x
    x = 117,386,557,369.75/564,976.91
  6. Step 6: Final answer
    x = 207,772.31

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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.