Home / 763,003.13-1,052,993.52-423,471.38

Finding the Fourth Proportional to 763,003.13, 1,052,993.52 and 423,471.38

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Solution

The fourth proportional to 763,003.13, 1,052,993.52 and 423,471.38 is: 584,417.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,003.13 : 1,052,993.52 = 423,471.38 : x
  2. Step 2: Convert to fraction form
    763,003.13/1,052,993.52 = 423,471.38/x
  3. Step 3: Cross multiply
    763,003.13x = 1,052,993.52 × 423,471.38
  4. Step 4: Simplify right side
    763,003.13x = 445,912,613,780.49
  5. Step 5: Solve for x
    x = 445,912,613,780.49/763,003.13
  6. Step 6: Final answer
    x = 584,417.81

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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.