Home / 1,412,311.50-1,948,948.79-800,520.57

Finding the Fourth Proportional to 1,412,311.50, 1,948,948.79 and 800,520.57

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Solution

The fourth proportional to 1,412,311.50, 1,948,948.79 and 800,520.57 is: 1,104,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,311.50 : 1,948,948.79 = 800,520.57 : x
  2. Step 2: Convert to fraction form
    1,412,311.50/1,948,948.79 = 800,520.57/x
  3. Step 3: Cross multiply
    1,412,311.50x = 1,948,948.79 × 800,520.57
  4. Step 4: Simplify right side
    1,412,311.50x = 1,560,173,592,269.01
  5. Step 5: Solve for x
    x = 1,560,173,592,269.01/1,412,311.50
  6. Step 6: Final answer
    x = 1,104,695.10

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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.