Home / 1,227,819.26-1,842,013.80-386,349.14

Finding the Fourth Proportional to 1,227,819.26, 1,842,013.80 and 386,349.14

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Solution

The fourth proportional to 1,227,819.26, 1,842,013.80 and 386,349.14 is: 579,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,819.26 : 1,842,013.80 = 386,349.14 : x
  2. Step 2: Convert to fraction form
    1,227,819.26/1,842,013.80 = 386,349.14/x
  3. Step 3: Cross multiply
    1,227,819.26x = 1,842,013.80 × 386,349.14
  4. Step 4: Simplify right side
    1,227,819.26x = 711,660,447,498.13
  5. Step 5: Solve for x
    x = 711,660,447,498.13/1,227,819.26
  6. Step 6: Final answer
    x = 579,613.36

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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.