Home / 666,360.73-999,540.27-217,080.85

Finding the Fourth Proportional to 666,360.73, 999,540.27 and 217,080.85

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Solution

The fourth proportional to 666,360.73, 999,540.27 and 217,080.85 is: 325,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,360.73 : 999,540.27 = 217,080.85 : x
  2. Step 2: Convert to fraction form
    666,360.73/999,540.27 = 217,080.85/x
  3. Step 3: Cross multiply
    666,360.73x = 999,540.27 × 217,080.85
  4. Step 4: Simplify right side
    666,360.73x = 216,981,051,420.83
  5. Step 5: Solve for x
    x = 216,981,051,420.83/666,360.73
  6. Step 6: Final answer
    x = 325,621.01

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Similar ratio
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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.