Home / 744,048.38-1,026,781.71-404,516.63

Finding the Fourth Proportional to 744,048.38, 1,026,781.71 and 404,516.63

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Solution

The fourth proportional to 744,048.38, 1,026,781.71 and 404,516.63 is: 558,230.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,048.38 : 1,026,781.71 = 404,516.63 : x
  2. Step 2: Convert to fraction form
    744,048.38/1,026,781.71 = 404,516.63/x
  3. Step 3: Cross multiply
    744,048.38x = 1,026,781.71 × 404,516.63
  4. Step 4: Simplify right side
    744,048.38x = 415,350,277,074.84
  5. Step 5: Solve for x
    x = 415,350,277,074.84/744,048.38
  6. Step 6: Final answer
    x = 558,230.20

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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.