Home / 1,243,949.18-1,717,179.54-836,287.46

Finding the Fourth Proportional to 1,243,949.18, 1,717,179.54 and 836,287.46

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Solution

The fourth proportional to 1,243,949.18, 1,717,179.54 and 836,287.46 is: 1,154,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,949.18 : 1,717,179.54 = 836,287.46 : x
  2. Step 2: Convert to fraction form
    1,243,949.18/1,717,179.54 = 836,287.46/x
  3. Step 3: Cross multiply
    1,243,949.18x = 1,717,179.54 × 836,287.46
  4. Step 4: Simplify right side
    1,243,949.18x = 1,436,055,715,870.57
  5. Step 5: Solve for x
    x = 1,436,055,715,870.57/1,243,949.18
  6. Step 6: Final answer
    x = 1,154,432.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.