Home / 777,031.92-1,165,613.85-216,066.42

Finding the Fourth Proportional to 777,031.92, 1,165,613.85 and 216,066.42

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Solution

The fourth proportional to 777,031.92, 1,165,613.85 and 216,066.42 is: 324,117.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,031.92 : 1,165,613.85 = 216,066.42 : x
  2. Step 2: Convert to fraction form
    777,031.92/1,165,613.85 = 216,066.42/x
  3. Step 3: Cross multiply
    777,031.92x = 1,165,613.85 × 216,066.42
  4. Step 4: Simplify right side
    777,031.92x = 251,850,011,671.92
  5. Step 5: Solve for x
    x = 251,850,011,671.92/777,031.92
  6. Step 6: Final answer
    x = 324,117.97

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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.