Home / 1,243,952.20-1,717,183.68-836,290.48

Finding the Fourth Proportional to 1,243,952.20, 1,717,183.68 and 836,290.48

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Solution

The fourth proportional to 1,243,952.20, 1,717,183.68 and 836,290.48 is: 1,154,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,952.20 : 1,717,183.68 = 836,290.48 : x
  2. Step 2: Convert to fraction form
    1,243,952.20/1,717,183.68 = 836,290.48/x
  3. Step 3: Cross multiply
    1,243,952.20x = 1,717,183.68 × 836,290.48
  4. Step 4: Simplify right side
    1,243,952.20x = 1,436,064,363,995.37
  5. Step 5: Solve for x
    x = 1,436,064,363,995.37/1,243,952.20
  6. Step 6: Final answer
    x = 1,154,436.93

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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.