Home / 657,932.02-986,933.12-208,687.53

Finding the Fourth Proportional to 657,932.02, 986,933.12 and 208,687.53

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Solution

The fourth proportional to 657,932.02, 986,933.12 and 208,687.53 is: 313,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,932.02 : 986,933.12 = 208,687.53 : x
  2. Step 2: Convert to fraction form
    657,932.02/986,933.12 = 208,687.53/x
  3. Step 3: Cross multiply
    657,932.02x = 986,933.12 × 208,687.53
  4. Step 4: Simplify right side
    657,932.02x = 205,960,635,087.99
  5. Step 5: Solve for x
    x = 205,960,635,087.99/657,932.02
  6. Step 6: Final answer
    x = 313,042.43

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1.5x scale

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.