Home / 666,582.08-999,977.28-217,198.72

Finding the Fourth Proportional to 666,582.08, 999,977.28 and 217,198.72

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Solution

The fourth proportional to 666,582.08, 999,977.28 and 217,198.72 is: 325,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,582.08 : 999,977.28 = 217,198.72 : x
  2. Step 2: Convert to fraction form
    666,582.08/999,977.28 = 217,198.72/x
  3. Step 3: Cross multiply
    666,582.08x = 999,977.28 × 217,198.72
  4. Step 4: Simplify right side
    666,582.08x = 217,193,785,245.08
  5. Step 5: Solve for x
    x = 217,193,785,245.08/666,582.08
  6. Step 6: Final answer
    x = 325,832.02

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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.