Home / 657,391.10-986,214.51-252,553.82

Finding the Fourth Proportional to 657,391.10, 986,214.51 and 252,553.82

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Solution

The fourth proportional to 657,391.10, 986,214.51 and 252,553.82 is: 378,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,391.10 : 986,214.51 = 252,553.82 : x
  2. Step 2: Convert to fraction form
    657,391.10/986,214.51 = 252,553.82/x
  3. Step 3: Cross multiply
    657,391.10x = 986,214.51 × 252,553.82
  4. Step 4: Simplify right side
    657,391.10x = 249,072,241,839.93
  5. Step 5: Solve for x
    x = 249,072,241,839.93/657,391.10
  6. Step 6: Final answer
    x = 378,879.85

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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.