Home / 657,356.52-986,182.44-208,104.36

Finding the Fourth Proportional to 657,356.52, 986,182.44 and 208,104.36

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Solution

The fourth proportional to 657,356.52, 986,182.44 and 208,104.36 is: 312,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,356.52 : 986,182.44 = 208,104.36 : x
  2. Step 2: Convert to fraction form
    657,356.52/986,182.44 = 208,104.36/x
  3. Step 3: Cross multiply
    657,356.52x = 986,182.44 × 208,104.36
  4. Step 4: Simplify right side
    657,356.52x = 205,228,865,519.44
  5. Step 5: Solve for x
    x = 205,228,865,519.44/657,356.52
  6. Step 6: Final answer
    x = 312,203.29

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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.