Home / 479,416.92-718,938.45-179,734.16

Finding the Fourth Proportional to 479,416.92, 718,938.45 and 179,734.16

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Solution

The fourth proportional to 479,416.92, 718,938.45 and 179,734.16 is: 269,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,416.92 : 718,938.45 = 179,734.16 : x
  2. Step 2: Convert to fraction form
    479,416.92/718,938.45 = 179,734.16/x
  3. Step 3: Cross multiply
    479,416.92x = 718,938.45 × 179,734.16
  4. Step 4: Simplify right side
    479,416.92x = 129,217,794,807.76
  5. Step 5: Solve for x
    x = 129,217,794,807.76/479,416.92
  6. Step 6: Final answer
    x = 269,531.15

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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.