Home / 469,531.47-704,309.33-127,977.70

Finding the Fourth Proportional to 469,531.47, 704,309.33 and 127,977.70

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Solution

The fourth proportional to 469,531.47, 704,309.33 and 127,977.70 is: 191,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,531.47 : 704,309.33 = 127,977.70 : x
  2. Step 2: Convert to fraction form
    469,531.47/704,309.33 = 127,977.70/x
  3. Step 3: Cross multiply
    469,531.47x = 704,309.33 × 127,977.70
  4. Step 4: Simplify right side
    469,531.47x = 90,135,887,502.05
  5. Step 5: Solve for x
    x = 90,135,887,502.05/469,531.47
  6. Step 6: Final answer
    x = 191,969.86

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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.