Home / 657,363.52-986,192.94-208,111.36

Finding the Fourth Proportional to 657,363.52, 986,192.94 and 208,111.36

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Solution

The fourth proportional to 657,363.52, 986,192.94 and 208,111.36 is: 312,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,363.52 : 986,192.94 = 208,111.36 : x
  2. Step 2: Convert to fraction form
    657,363.52/986,192.94 = 208,111.36/x
  3. Step 3: Cross multiply
    657,363.52x = 986,192.94 × 208,111.36
  4. Step 4: Simplify right side
    657,363.52x = 205,237,953,965.80
  5. Step 5: Solve for x
    x = 205,237,953,965.80/657,363.52
  6. Step 6: Final answer
    x = 312,213.79

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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.