Home / 754,208.49-1,040,769.21-414,611.13

Finding the Fourth Proportional to 754,208.49, 1,040,769.21 and 414,611.13

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Solution

The fourth proportional to 754,208.49, 1,040,769.21 and 414,611.13 is: 572,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,208.49 : 1,040,769.21 = 414,611.13 : x
  2. Step 2: Convert to fraction form
    754,208.49/1,040,769.21 = 414,611.13/x
  3. Step 3: Cross multiply
    754,208.49x = 1,040,769.21 × 414,611.13
  4. Step 4: Simplify right side
    754,208.49x = 431,514,498,227.31
  5. Step 5: Solve for x
    x = 431,514,498,227.31/754,208.49
  6. Step 6: Final answer
    x = 572,142.19

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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.