Home / 479,417.17-718,938.85-179,734.38

Finding the Fourth Proportional to 479,417.17, 718,938.85 and 179,734.38

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Solution

The fourth proportional to 479,417.17, 718,938.85 and 179,734.38 is: 269,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,417.17 : 718,938.85 = 179,734.38 : x
  2. Step 2: Convert to fraction form
    479,417.17/718,938.85 = 179,734.38/x
  3. Step 3: Cross multiply
    479,417.17x = 718,938.85 × 179,734.38
  4. Step 4: Simplify right side
    479,417.17x = 129,218,028,462.66
  5. Step 5: Solve for x
    x = 129,218,028,462.66/479,417.17
  6. Step 6: Final answer
    x = 269,531.50

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1.5x scale

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.