Home / 755,301.90-1,042,338.46-411,160.14

Finding the Fourth Proportional to 755,301.90, 1,042,338.46 and 411,160.14

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Solution

The fourth proportional to 755,301.90, 1,042,338.46 and 411,160.14 is: 567,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,301.90 : 1,042,338.46 = 411,160.14 : x
  2. Step 2: Convert to fraction form
    755,301.90/1,042,338.46 = 411,160.14/x
  3. Step 3: Cross multiply
    755,301.90x = 1,042,338.46 × 411,160.14
  4. Step 4: Simplify right side
    755,301.90x = 428,568,027,140.98
  5. Step 5: Solve for x
    x = 428,568,027,140.98/755,301.90
  6. Step 6: Final answer
    x = 567,412.88

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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.