Home / 1,243,940.13-1,717,167.05-836,278.41

Finding the Fourth Proportional to 1,243,940.13, 1,717,167.05 and 836,278.41

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Solution

The fourth proportional to 1,243,940.13, 1,717,167.05 and 836,278.41 is: 1,154,420.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,940.13 : 1,717,167.05 = 836,278.41 : x
  2. Step 2: Convert to fraction form
    1,243,940.13/1,717,167.05 = 836,278.41/x
  3. Step 3: Cross multiply
    1,243,940.13x = 1,717,167.05 × 836,278.41
  4. Step 4: Simplify right side
    1,243,940.13x = 1,436,029,726,097.00
  5. Step 5: Solve for x
    x = 1,436,029,726,097.00/1,243,940.13
  6. Step 6: Final answer
    x = 1,154,420.29

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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.