Home / 2,560,976.20-3,841,658.70-763,719.40

Finding the Fourth Proportional to 2,560,976.20, 3,841,658.70 and 763,719.40

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Solution

The fourth proportional to 2,560,976.20, 3,841,658.70 and 763,719.40 is: 1,145,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,976.20 : 3,841,658.70 = 763,719.40 : x
  2. Step 2: Convert to fraction form
    2,560,976.20/3,841,658.70 = 763,719.40/x
  3. Step 3: Cross multiply
    2,560,976.20x = 3,841,658.70 × 763,719.40
  4. Step 4: Simplify right side
    2,560,976.20x = 2,933,949,277,368.78
  5. Step 5: Solve for x
    x = 2,933,949,277,368.78/2,560,976.20
  6. Step 6: Final answer
    x = 1,145,637.07

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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.