Home / 1,196,844.32-1,651,791.36-687,545.60

Finding the Fourth Proportional to 1,196,844.32, 1,651,791.36 and 687,545.60

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Solution

The fourth proportional to 1,196,844.32, 1,651,791.36 and 687,545.60 is: 948,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,844.32 : 1,651,791.36 = 687,545.60 : x
  2. Step 2: Convert to fraction form
    1,196,844.32/1,651,791.36 = 687,545.60/x
  3. Step 3: Cross multiply
    1,196,844.32x = 1,651,791.36 × 687,545.60
  4. Step 4: Simplify right side
    1,196,844.32x = 1,135,681,881,686.02
  5. Step 5: Solve for x
    x = 1,135,681,881,686.02/1,196,844.32
  6. Step 6: Final answer
    x = 948,896.91

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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.