Home / 681,475.41-1,022,687.43-282,118.28

Finding the Fourth Proportional to 681,475.41, 1,022,687.43 and 282,118.28

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Solution

The fourth proportional to 681,475.41, 1,022,687.43 and 282,118.28 is: 423,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,475.41 : 1,022,687.43 = 282,118.28 : x
  2. Step 2: Convert to fraction form
    681,475.41/1,022,687.43 = 282,118.28/x
  3. Step 3: Cross multiply
    681,475.41x = 1,022,687.43 × 282,118.28
  4. Step 4: Simplify right side
    681,475.41x = 288,518,812,557.84
  5. Step 5: Solve for x
    x = 288,518,812,557.84/681,475.41
  6. Step 6: Final answer
    x = 423,373.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.