Home / 744,046.38-1,026,778.95-404,514.63

Finding the Fourth Proportional to 744,046.38, 1,026,778.95 and 404,514.63

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Solution

The fourth proportional to 744,046.38, 1,026,778.95 and 404,514.63 is: 558,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,046.38 : 1,026,778.95 = 404,514.63 : x
  2. Step 2: Convert to fraction form
    744,046.38/1,026,778.95 = 404,514.63/x
  3. Step 3: Cross multiply
    744,046.38x = 1,026,778.95 × 404,514.63
  4. Step 4: Simplify right side
    744,046.38x = 415,347,107,051.04
  5. Step 5: Solve for x
    x = 415,347,107,051.04/744,046.38
  6. Step 6: Final answer
    x = 558,227.44

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Double scale
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Similar ratio
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1.5x scale

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.