Home / 723,764.34-998,791.11-401,471.10

Finding the Fourth Proportional to 723,764.34, 998,791.11 and 401,471.10

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Solution

The fourth proportional to 723,764.34, 998,791.11 and 401,471.10 is: 554,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,764.34 : 998,791.11 = 401,471.10 : x
  2. Step 2: Convert to fraction form
    723,764.34/998,791.11 = 401,471.10/x
  3. Step 3: Cross multiply
    723,764.34x = 998,791.11 × 401,471.10
  4. Step 4: Simplify right side
    723,764.34x = 400,985,765,601.92
  5. Step 5: Solve for x
    x = 400,985,765,601.92/723,764.34
  6. Step 6: Final answer
    x = 554,028.08

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1.5x scale

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.