Home / 1,254,167.56-1,730,756.19-681,217.30

Finding the Fourth Proportional to 1,254,167.56, 1,730,756.19 and 681,217.30

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Solution

The fourth proportional to 1,254,167.56, 1,730,756.19 and 681,217.30 is: 940,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,167.56 : 1,730,756.19 = 681,217.30 : x
  2. Step 2: Convert to fraction form
    1,254,167.56/1,730,756.19 = 681,217.30/x
  3. Step 3: Cross multiply
    1,254,167.56x = 1,730,756.19 × 681,217.30
  4. Step 4: Simplify right side
    1,254,167.56x = 1,179,021,058,710.09
  5. Step 5: Solve for x
    x = 1,179,021,058,710.09/1,254,167.56
  6. Step 6: Final answer
    x = 940,082.57

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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.