Home / 656,878.03-984,844.17-403,635.31

Finding the Fourth Proportional to 656,878.03, 984,844.17 and 403,635.31

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Solution

The fourth proportional to 656,878.03, 984,844.17 and 403,635.31 is: 605,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,878.03 : 984,844.17 = 403,635.31 : x
  2. Step 2: Convert to fraction form
    656,878.03/984,844.17 = 403,635.31/x
  3. Step 3: Cross multiply
    656,878.03x = 984,844.17 × 403,635.31
  4. Step 4: Simplify right side
    656,878.03x = 397,517,879,397.53
  5. Step 5: Solve for x
    x = 397,517,879,397.53/656,878.03
  6. Step 6: Final answer
    x = 605,162.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.