Home / 666,790.32-999,175.23-441,343.11

Finding the Fourth Proportional to 666,790.32, 999,175.23 and 441,343.11

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Solution

The fourth proportional to 666,790.32, 999,175.23 and 441,343.11 is: 661,345.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,790.32 : 999,175.23 = 441,343.11 : x
  2. Step 2: Convert to fraction form
    666,790.32/999,175.23 = 441,343.11/x
  3. Step 3: Cross multiply
    666,790.32x = 999,175.23 × 441,343.11
  4. Step 4: Simplify right side
    666,790.32x = 440,979,103,443.17
  5. Step 5: Solve for x
    x = 440,979,103,443.17/666,790.32
  6. Step 6: Final answer
    x = 661,345.99

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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.