Home / 711,820.16-1,067,419.19-213,067.52

Finding the Fourth Proportional to 711,820.16, 1,067,419.19 and 213,067.52

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Solution

The fourth proportional to 711,820.16, 1,067,419.19 and 213,067.52 is: 319,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,820.16 : 1,067,419.19 = 213,067.52 : x
  2. Step 2: Convert to fraction form
    711,820.16/1,067,419.19 = 213,067.52/x
  3. Step 3: Cross multiply
    711,820.16x = 1,067,419.19 × 213,067.52
  4. Step 4: Simplify right side
    711,820.16x = 227,432,359,613.71
  5. Step 5: Solve for x
    x = 227,432,359,613.71/711,820.16
  6. Step 6: Final answer
    x = 319,508.17

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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.