Home / 754,017.49-1,040,517.79-414,483.31

Finding the Fourth Proportional to 754,017.49, 1,040,517.79 and 414,483.31

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Solution

The fourth proportional to 754,017.49, 1,040,517.79 and 414,483.31 is: 571,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,017.49 : 1,040,517.79 = 414,483.31 : x
  2. Step 2: Convert to fraction form
    754,017.49/1,040,517.79 = 414,483.31/x
  3. Step 3: Cross multiply
    754,017.49x = 1,040,517.79 × 414,483.31
  4. Step 4: Simplify right side
    754,017.49x = 431,277,257,713.09
  5. Step 5: Solve for x
    x = 431,277,257,713.09/754,017.49
  6. Step 6: Final answer
    x = 571,972.49

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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.