Home / 1,188,737.83-1,640,458.18-679,451.14

Finding the Fourth Proportional to 1,188,737.83, 1,640,458.18 and 679,451.14

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Solution

The fourth proportional to 1,188,737.83, 1,640,458.18 and 679,451.14 is: 937,642.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,737.83 : 1,640,458.18 = 679,451.14 : x
  2. Step 2: Convert to fraction form
    1,188,737.83/1,640,458.18 = 679,451.14/x
  3. Step 3: Cross multiply
    1,188,737.83x = 1,640,458.18 × 679,451.14
  4. Step 4: Simplify right side
    1,188,737.83x = 1,114,611,180,523.33
  5. Step 5: Solve for x
    x = 1,114,611,180,523.33/1,188,737.83
  6. Step 6: Final answer
    x = 937,642.56

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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.