Home / 908,721.70-1,363,082.55-902,500.90

Finding the Fourth Proportional to 908,721.70, 1,363,082.55 and 902,500.90

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Solution

The fourth proportional to 908,721.70, 1,363,082.55 and 902,500.90 is: 1,353,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,721.70 : 1,363,082.55 = 902,500.90 : x
  2. Step 2: Convert to fraction form
    908,721.70/1,363,082.55 = 902,500.90/x
  3. Step 3: Cross multiply
    908,721.70x = 1,363,082.55 × 902,500.90
  4. Step 4: Simplify right side
    908,721.70x = 1,230,183,228,149.30
  5. Step 5: Solve for x
    x = 1,230,183,228,149.30/908,721.70
  6. Step 6: Final answer
    x = 1,353,751.35

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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.