Home / 868,429.85-1,198,499.69-546,415.97

Finding the Fourth Proportional to 868,429.85, 1,198,499.69 and 546,415.97

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Solution

The fourth proportional to 868,429.85, 1,198,499.69 and 546,415.97 is: 754,095.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,429.85 : 1,198,499.69 = 546,415.97 : x
  2. Step 2: Convert to fraction form
    868,429.85/1,198,499.69 = 546,415.97/x
  3. Step 3: Cross multiply
    868,429.85x = 1,198,499.69 × 546,415.97
  4. Step 4: Simplify right side
    868,429.85x = 654,879,370,920.22
  5. Step 5: Solve for x
    x = 654,879,370,920.22/868,429.85
  6. Step 6: Final answer
    x = 754,095.88

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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.