Home / 1,161,737.45-1,603,192.44-645,575.38

Finding the Fourth Proportional to 1,161,737.45, 1,603,192.44 and 645,575.38

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Solution

The fourth proportional to 1,161,737.45, 1,603,192.44 and 645,575.38 is: 890,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,737.45 : 1,603,192.44 = 645,575.38 : x
  2. Step 2: Convert to fraction form
    1,161,737.45/1,603,192.44 = 645,575.38/x
  3. Step 3: Cross multiply
    1,161,737.45x = 1,603,192.44 × 645,575.38
  4. Step 4: Simplify right side
    1,161,737.45x = 1,034,981,567,079.05
  5. Step 5: Solve for x
    x = 1,034,981,567,079.05/1,161,737.45
  6. Step 6: Final answer
    x = 890,891.11

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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.