Home / 755,587.24-1,042,708.75-411,417.83

Finding the Fourth Proportional to 755,587.24, 1,042,708.75 and 411,417.83

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Solution

The fourth proportional to 755,587.24, 1,042,708.75 and 411,417.83 is: 567,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,587.24 : 1,042,708.75 = 411,417.83 : x
  2. Step 2: Convert to fraction form
    755,587.24/1,042,708.75 = 411,417.83/x
  3. Step 3: Cross multiply
    755,587.24x = 1,042,708.75 × 411,417.83
  4. Step 4: Simplify right side
    755,587.24x = 428,988,972,825.24
  5. Step 5: Solve for x
    x = 428,988,972,825.24/755,587.24
  6. Step 6: Final answer
    x = 567,755.72

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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.