Home / 1,284,610.38-1,926,841.45-386,032.83

Finding the Fourth Proportional to 1,284,610.38, 1,926,841.45 and 386,032.83

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Solution

The fourth proportional to 1,284,610.38, 1,926,841.45 and 386,032.83 is: 579,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,610.38 : 1,926,841.45 = 386,032.83 : x
  2. Step 2: Convert to fraction form
    1,284,610.38/1,926,841.45 = 386,032.83/x
  3. Step 3: Cross multiply
    1,284,610.38x = 1,926,841.45 × 386,032.83
  4. Step 4: Simplify right side
    1,284,610.38x = 743,824,057,904.80
  5. Step 5: Solve for x
    x = 743,824,057,904.80/1,284,610.38
  6. Step 6: Final answer
    x = 579,026.97

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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.