Home / 445,923.20-615,116.65-284,596.41

Finding the Fourth Proportional to 445,923.20, 615,116.65 and 284,596.41

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Solution

The fourth proportional to 445,923.20, 615,116.65 and 284,596.41 is: 392,578.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,923.20 : 615,116.65 = 284,596.41 : x
  2. Step 2: Convert to fraction form
    445,923.20/615,116.65 = 284,596.41/x
  3. Step 3: Cross multiply
    445,923.20x = 615,116.65 × 284,596.41
  4. Step 4: Simplify right side
    445,923.20x = 175,059,987,245.64
  5. Step 5: Solve for x
    x = 175,059,987,245.64/445,923.20
  6. Step 6: Final answer
    x = 392,578.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.