Home / 1,085,928.96-1,498,545.12-656,133.12

Finding the Fourth Proportional to 1,085,928.96, 1,498,545.12 and 656,133.12

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Solution

The fourth proportional to 1,085,928.96, 1,498,545.12 and 656,133.12 is: 905,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,928.96 : 1,498,545.12 = 656,133.12 : x
  2. Step 2: Convert to fraction form
    1,085,928.96/1,498,545.12 = 656,133.12/x
  3. Step 3: Cross multiply
    1,085,928.96x = 1,498,545.12 × 656,133.12
  4. Step 4: Simplify right side
    1,085,928.96x = 983,245,085,046.38
  5. Step 5: Solve for x
    x = 983,245,085,046.38/1,085,928.96
  6. Step 6: Final answer
    x = 905,441.44

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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.