Home / 755,474.90-1,042,553.42-415,943.14

Finding the Fourth Proportional to 755,474.90, 1,042,553.42 and 415,943.14

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Solution

The fourth proportional to 755,474.90, 1,042,553.42 and 415,943.14 is: 574,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,474.90 : 1,042,553.42 = 415,943.14 : x
  2. Step 2: Convert to fraction form
    755,474.90/1,042,553.42 = 415,943.14/x
  3. Step 3: Cross multiply
    755,474.90x = 1,042,553.42 × 415,943.14
  4. Step 4: Simplify right side
    755,474.90x = 433,642,943,132.54
  5. Step 5: Solve for x
    x = 433,642,943,132.54/755,474.90
  6. Step 6: Final answer
    x = 574,000.46

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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.