Home / 1,066,876.01-1,472,423.40-699,661.97

Finding the Fourth Proportional to 1,066,876.01, 1,472,423.40 and 699,661.97

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Solution

The fourth proportional to 1,066,876.01, 1,472,423.40 and 699,661.97 is: 965,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,876.01 : 1,472,423.40 = 699,661.97 : x
  2. Step 2: Convert to fraction form
    1,066,876.01/1,472,423.40 = 699,661.97/x
  3. Step 3: Cross multiply
    1,066,876.01x = 1,472,423.40 × 699,661.97
  4. Step 4: Simplify right side
    1,066,876.01x = 1,030,198,660,399.16
  5. Step 5: Solve for x
    x = 1,030,198,660,399.16/1,066,876.01
  6. Step 6: Final answer
    x = 965,621.73

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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.