Home / 667,603.32-1,001,562.56-218,322.44

Finding the Fourth Proportional to 667,603.32, 1,001,562.56 and 218,322.44

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Solution

The fourth proportional to 667,603.32, 1,001,562.56 and 218,322.44 is: 327,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,603.32 : 1,001,562.56 = 218,322.44 : x
  2. Step 2: Convert to fraction form
    667,603.32/1,001,562.56 = 218,322.44/x
  3. Step 3: Cross multiply
    667,603.32x = 1,001,562.56 × 218,322.44
  4. Step 4: Simplify right side
    667,603.32x = 218,663,581,911.85
  5. Step 5: Solve for x
    x = 218,663,581,911.85/667,603.32
  6. Step 6: Final answer
    x = 327,535.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.