Home / 657,048.61-985,694.57-207,882.55

Finding the Fourth Proportional to 657,048.61, 985,694.57 and 207,882.55

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Solution

The fourth proportional to 657,048.61, 985,694.57 and 207,882.55 is: 311,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,048.61 : 985,694.57 = 207,882.55 : x
  2. Step 2: Convert to fraction form
    657,048.61/985,694.57 = 207,882.55/x
  3. Step 3: Cross multiply
    657,048.61x = 985,694.57 × 207,882.55
  4. Step 4: Simplify right side
    657,048.61x = 204,908,701,705.02
  5. Step 5: Solve for x
    x = 204,908,701,705.02/657,048.61
  6. Step 6: Final answer
    x = 311,862.32

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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.