Home / 657,116.28-985,525.77-301,788.72

Finding the Fourth Proportional to 657,116.28, 985,525.77 and 301,788.72

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Solution

The fourth proportional to 657,116.28, 985,525.77 and 301,788.72 is: 452,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,116.28 : 985,525.77 = 301,788.72 : x
  2. Step 2: Convert to fraction form
    657,116.28/985,525.77 = 301,788.72/x
  3. Step 3: Cross multiply
    657,116.28x = 985,525.77 × 301,788.72
  4. Step 4: Simplify right side
    657,116.28x = 297,420,560,655.31
  5. Step 5: Solve for x
    x = 297,420,560,655.31/657,116.28
  6. Step 6: Final answer
    x = 452,614.81

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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.