Home / 1,930,743.60-2,897,497.80-809,617.20

Finding the Fourth Proportional to 1,930,743.60, 2,897,497.80 and 809,617.20

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Solution

The fourth proportional to 1,930,743.60, 2,897,497.80 and 809,617.20 is: 1,215,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930,743.60 : 2,897,497.80 = 809,617.20 : x
  2. Step 2: Convert to fraction form
    1,930,743.60/2,897,497.80 = 809,617.20/x
  3. Step 3: Cross multiply
    1,930,743.60x = 2,897,497.80 × 809,617.20
  4. Step 4: Simplify right side
    1,930,743.60x = 2,345,864,055,842.16
  5. Step 5: Solve for x
    x = 2,345,864,055,842.16/1,930,743.60
  6. Step 6: Final answer
    x = 1,215,005.48

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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.