Home / 1,243,961.19-1,717,196.18-836,299.49

Finding the Fourth Proportional to 1,243,961.19, 1,717,196.18 and 836,299.49

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Solution

The fourth proportional to 1,243,961.19, 1,717,196.18 and 836,299.49 is: 1,154,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,961.19 : 1,717,196.18 = 836,299.49 : x
  2. Step 2: Convert to fraction form
    1,243,961.19/1,717,196.18 = 836,299.49/x
  3. Step 3: Cross multiply
    1,243,961.19x = 1,717,196.18 × 836,299.49
  4. Step 4: Simplify right side
    1,243,961.19x = 1,436,090,276,796.47
  5. Step 5: Solve for x
    x = 1,436,090,276,796.47/1,243,961.19
  6. Step 6: Final answer
    x = 1,154,449.42

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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.