Home / 754,010.38-1,040,507.94-414,476.20

Finding the Fourth Proportional to 754,010.38, 1,040,507.94 and 414,476.20

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Solution

The fourth proportional to 754,010.38, 1,040,507.94 and 414,476.20 is: 571,962.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,010.38 : 1,040,507.94 = 414,476.20 : x
  2. Step 2: Convert to fraction form
    754,010.38/1,040,507.94 = 414,476.20/x
  3. Step 3: Cross multiply
    754,010.38x = 1,040,507.94 × 414,476.20
  4. Step 4: Simplify right side
    754,010.38x = 431,265,777,041.03
  5. Step 5: Solve for x
    x = 431,265,777,041.03/754,010.38
  6. Step 6: Final answer
    x = 571,962.65

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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.