Home / 1,108,776.68-1,530,108.92-618,741.06

Finding the Fourth Proportional to 1,108,776.68, 1,530,108.92 and 618,741.06

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Solution

The fourth proportional to 1,108,776.68, 1,530,108.92 and 618,741.06 is: 853,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,776.68 : 1,530,108.92 = 618,741.06 : x
  2. Step 2: Convert to fraction form
    1,108,776.68/1,530,108.92 = 618,741.06/x
  3. Step 3: Cross multiply
    1,108,776.68x = 1,530,108.92 × 618,741.06
  4. Step 4: Simplify right side
    1,108,776.68x = 946,741,215,076.26
  5. Step 5: Solve for x
    x = 946,741,215,076.26/1,108,776.68
  6. Step 6: Final answer
    x = 853,861.05

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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.