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Finding the Fourth Proportional to 1,734,819.52, 2,394,063.12 and 970,944.16

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Solution

The fourth proportional to 1,734,819.52, 2,394,063.12 and 970,944.16 is: 1,339,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,819.52 : 2,394,063.12 = 970,944.16 : x
  2. Step 2: Convert to fraction form
    1,734,819.52/2,394,063.12 = 970,944.16/x
  3. Step 3: Cross multiply
    1,734,819.52x = 2,394,063.12 × 970,944.16
  4. Step 4: Simplify right side
    1,734,819.52x = 2,324,501,605,035.38
  5. Step 5: Solve for x
    x = 2,324,501,605,035.38/1,734,819.52
  6. Step 6: Final answer
    x = 1,339,909.76

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1.5x scale

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.