Home / 657,671.06-986,540.61-208,439.66

Finding the Fourth Proportional to 657,671.06, 986,540.61 and 208,439.66

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Solution

The fourth proportional to 657,671.06, 986,540.61 and 208,439.66 is: 312,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,671.06 : 986,540.61 = 208,439.66 : x
  2. Step 2: Convert to fraction form
    657,671.06/986,540.61 = 208,439.66/x
  3. Step 3: Cross multiply
    657,671.06x = 986,540.61 × 208,439.66
  4. Step 4: Simplify right side
    657,671.06x = 205,634,189,324.59
  5. Step 5: Solve for x
    x = 205,634,189,324.59/657,671.06
  6. Step 6: Final answer
    x = 312,670.27

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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.