Home / 479,024.28-718,338.78-163,506.60

Finding the Fourth Proportional to 479,024.28, 718,338.78 and 163,506.60

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Solution

The fourth proportional to 479,024.28, 718,338.78 and 163,506.60 is: 245,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,024.28 : 718,338.78 = 163,506.60 : x
  2. Step 2: Convert to fraction form
    479,024.28/718,338.78 = 163,506.60/x
  3. Step 3: Cross multiply
    479,024.28x = 718,338.78 × 163,506.60
  4. Step 4: Simplify right side
    479,024.28x = 117,453,131,565.95
  5. Step 5: Solve for x
    x = 117,453,131,565.95/479,024.28
  6. Step 6: Final answer
    x = 245,192.44

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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.