Home / 1,243,944.85-1,717,173.56-836,283.13

Finding the Fourth Proportional to 1,243,944.85, 1,717,173.56 and 836,283.13

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Solution

The fourth proportional to 1,243,944.85, 1,717,173.56 and 836,283.13 is: 1,154,426.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,944.85 : 1,717,173.56 = 836,283.13 : x
  2. Step 2: Convert to fraction form
    1,243,944.85/1,717,173.56 = 836,283.13/x
  3. Step 3: Cross multiply
    1,243,944.85x = 1,717,173.56 × 836,283.13
  4. Step 4: Simplify right side
    1,243,944.85x = 1,436,043,279,510.04
  5. Step 5: Solve for x
    x = 1,436,043,279,510.04/1,243,944.85
  6. Step 6: Final answer
    x = 1,154,426.81

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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.