Home / 698,982.18-1,046,791.65-398,551.97

Finding the Fourth Proportional to 698,982.18, 1,046,791.65 and 398,551.97

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Solution

The fourth proportional to 698,982.18, 1,046,791.65 and 398,551.97 is: 596,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,982.18 : 1,046,791.65 = 398,551.97 : x
  2. Step 2: Convert to fraction form
    698,982.18/1,046,791.65 = 398,551.97/x
  3. Step 3: Cross multiply
    698,982.18x = 1,046,791.65 × 398,551.97
  4. Step 4: Simplify right side
    698,982.18x = 417,200,869,053.09
  5. Step 5: Solve for x
    x = 417,200,869,053.09/698,982.18
  6. Step 6: Final answer
    x = 596,869.11

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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.