Home / 754,079.38-1,040,649.42-414,556.18

Finding the Fourth Proportional to 754,079.38, 1,040,649.42 and 414,556.18

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Solution

The fourth proportional to 754,079.38, 1,040,649.42 and 414,556.18 is: 572,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,079.38 : 1,040,649.42 = 414,556.18 : x
  2. Step 2: Convert to fraction form
    754,079.38/1,040,649.42 = 414,556.18/x
  3. Step 3: Cross multiply
    754,079.38x = 1,040,649.42 × 414,556.18
  4. Step 4: Simplify right side
    754,079.38x = 431,407,648,274.42
  5. Step 5: Solve for x
    x = 431,407,648,274.42/754,079.38
  6. Step 6: Final answer
    x = 572,098.46

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Double scale
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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.