Home / 1,254,468.13-1,731,178.17-681,512.40

Finding the Fourth Proportional to 1,254,468.13, 1,731,178.17 and 681,512.40

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Solution

The fourth proportional to 1,254,468.13, 1,731,178.17 and 681,512.40 is: 940,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,468.13 : 1,731,178.17 = 681,512.40 : x
  2. Step 2: Convert to fraction form
    1,254,468.13/1,731,178.17 = 681,512.40/x
  3. Step 3: Cross multiply
    1,254,468.13x = 1,731,178.17 × 681,512.40
  4. Step 4: Simplify right side
    1,254,468.13x = 1,179,819,389,464.31
  5. Step 5: Solve for x
    x = 1,179,819,389,464.31/1,254,468.13
  6. Step 6: Final answer
    x = 940,493.71

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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.