Home / 755,614.71-1,040,974.27-525,777.28

Finding the Fourth Proportional to 755,614.71, 1,040,974.27 and 525,777.28

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Solution

The fourth proportional to 755,614.71, 1,040,974.27 and 525,777.28 is: 724,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,614.71 : 1,040,974.27 = 525,777.28 : x
  2. Step 2: Convert to fraction form
    755,614.71/1,040,974.27 = 525,777.28/x
  3. Step 3: Cross multiply
    755,614.71x = 1,040,974.27 × 525,777.28
  4. Step 4: Simplify right side
    755,614.71x = 547,320,616,313.71
  5. Step 5: Solve for x
    x = 547,320,616,313.71/755,614.71
  6. Step 6: Final answer
    x = 724,338.22

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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.