Home / 616,815.48-851,687.82-473,348.28

Finding the Fourth Proportional to 616,815.48, 851,687.82 and 473,348.28

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Solution

The fourth proportional to 616,815.48, 851,687.82 and 473,348.28 is: 653,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,815.48 : 851,687.82 = 473,348.28 : x
  2. Step 2: Convert to fraction form
    616,815.48/851,687.82 = 473,348.28/x
  3. Step 3: Cross multiply
    616,815.48x = 851,687.82 × 473,348.28
  4. Step 4: Simplify right side
    616,815.48x = 403,144,964,693.95
  5. Step 5: Solve for x
    x = 403,144,964,693.95/616,815.48
  6. Step 6: Final answer
    x = 653,590.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.