Home / 657,239.20-986,033.46-207,968.06

Finding the Fourth Proportional to 657,239.20, 986,033.46 and 207,968.06

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Solution

The fourth proportional to 657,239.20, 986,033.46 and 207,968.06 is: 312,007.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,239.20 : 986,033.46 = 207,968.06 : x
  2. Step 2: Convert to fraction form
    657,239.20/986,033.46 = 207,968.06/x
  3. Step 3: Cross multiply
    657,239.20x = 986,033.46 × 207,968.06
  4. Step 4: Simplify right side
    657,239.20x = 205,063,465,771.29
  5. Step 5: Solve for x
    x = 205,063,465,771.29/657,239.20
  6. Step 6: Final answer
    x = 312,007.36

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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.