Home / 1,131,182.60-1,696,685.70-657,565.88

Finding the Fourth Proportional to 1,131,182.60, 1,696,685.70 and 657,565.88

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Solution

The fourth proportional to 1,131,182.60, 1,696,685.70 and 657,565.88 is: 986,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,182.60 : 1,696,685.70 = 657,565.88 : x
  2. Step 2: Convert to fraction form
    1,131,182.60/1,696,685.70 = 657,565.88/x
  3. Step 3: Cross multiply
    1,131,182.60x = 1,696,685.70 × 657,565.88
  4. Step 4: Simplify right side
    1,131,182.60x = 1,115,682,625,403.92
  5. Step 5: Solve for x
    x = 1,115,682,625,403.92/1,131,182.60
  6. Step 6: Final answer
    x = 986,297.55

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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.