Home / 669,103.19-1,003,443.33-219,750.02

Finding the Fourth Proportional to 669,103.19, 1,003,443.33 and 219,750.02

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Solution

The fourth proportional to 669,103.19, 1,003,443.33 and 219,750.02 is: 329,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,103.19 : 1,003,443.33 = 219,750.02 : x
  2. Step 2: Convert to fraction form
    669,103.19/1,003,443.33 = 219,750.02/x
  3. Step 3: Cross multiply
    669,103.19x = 1,003,443.33 × 219,750.02
  4. Step 4: Simplify right side
    669,103.19x = 220,506,691,836.37
  5. Step 5: Solve for x
    x = 220,506,691,836.37/669,103.19
  6. Step 6: Final answer
    x = 329,555.58

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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.