Home / 1,140,095.88-1,573,087.22-687,377.16

Finding the Fourth Proportional to 1,140,095.88, 1,573,087.22 and 687,377.16

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Solution

The fourth proportional to 1,140,095.88, 1,573,087.22 and 687,377.16 is: 948,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,095.88 : 1,573,087.22 = 687,377.16 : x
  2. Step 2: Convert to fraction form
    1,140,095.88/1,573,087.22 = 687,377.16/x
  3. Step 3: Cross multiply
    1,140,095.88x = 1,573,087.22 × 687,377.16
  4. Step 4: Simplify right side
    1,140,095.88x = 1,081,304,225,715.90
  5. Step 5: Solve for x
    x = 1,081,304,225,715.90/1,140,095.88
  6. Step 6: Final answer
    x = 948,432.71

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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.