Home / 754,010.88-1,040,508.63-414,476.70

Finding the Fourth Proportional to 754,010.88, 1,040,508.63 and 414,476.70

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Solution

The fourth proportional to 754,010.88, 1,040,508.63 and 414,476.70 is: 571,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,010.88 : 1,040,508.63 = 414,476.70 : x
  2. Step 2: Convert to fraction form
    754,010.88/1,040,508.63 = 414,476.70/x
  3. Step 3: Cross multiply
    754,010.88x = 1,040,508.63 × 414,476.70
  4. Step 4: Simplify right side
    754,010.88x = 431,266,583,283.92
  5. Step 5: Solve for x
    x = 431,266,583,283.92/754,010.88
  6. Step 6: Final answer
    x = 571,963.34

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Half scale
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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.