Home / 666,361.24-999,541.02-217,081.36

Finding the Fourth Proportional to 666,361.24, 999,541.02 and 217,081.36

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Solution

The fourth proportional to 666,361.24, 999,541.02 and 217,081.36 is: 325,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,361.24 : 999,541.02 = 217,081.36 : x
  2. Step 2: Convert to fraction form
    666,361.24/999,541.02 = 217,081.36/x
  3. Step 3: Cross multiply
    666,361.24x = 999,541.02 × 217,081.36
  4. Step 4: Simplify right side
    666,361.24x = 216,981,723,997.39
  5. Step 5: Solve for x
    x = 216,981,723,997.39/666,361.24
  6. Step 6: Final answer
    x = 325,621.77

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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.