Home / 1,254,645.72-1,731,426.84-681,695.46

Finding the Fourth Proportional to 1,254,645.72, 1,731,426.84 and 681,695.46

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Solution

The fourth proportional to 1,254,645.72, 1,731,426.84 and 681,695.46 is: 940,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,645.72 : 1,731,426.84 = 681,695.46 : x
  2. Step 2: Convert to fraction form
    1,254,645.72/1,731,426.84 = 681,695.46/x
  3. Step 3: Cross multiply
    1,254,645.72x = 1,731,426.84 × 681,695.46
  4. Step 4: Simplify right side
    1,254,645.72x = 1,180,305,816,150.15
  5. Step 5: Solve for x
    x = 1,180,305,816,150.15/1,254,645.72
  6. Step 6: Final answer
    x = 940,748.29

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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.