Home / 1,200,691.17-1,656,993.29-684,435.85

Finding the Fourth Proportional to 1,200,691.17, 1,656,993.29 and 684,435.85

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Solution

The fourth proportional to 1,200,691.17, 1,656,993.29 and 684,435.85 is: 944,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,691.17 : 1,656,993.29 = 684,435.85 : x
  2. Step 2: Convert to fraction form
    1,200,691.17/1,656,993.29 = 684,435.85/x
  3. Step 3: Cross multiply
    1,200,691.17x = 1,656,993.29 × 684,435.85
  4. Step 4: Simplify right side
    1,200,691.17x = 1,134,105,603,320.78
  5. Step 5: Solve for x
    x = 1,134,105,603,320.78/1,200,691.17
  6. Step 6: Final answer
    x = 944,543.97

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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.