Home / 1,123,626.87-1,685,608.11-413,600.92

Finding the Fourth Proportional to 1,123,626.87, 1,685,608.11 and 413,600.92

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Solution

The fourth proportional to 1,123,626.87, 1,685,608.11 and 413,600.92 is: 620,463.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,626.87 : 1,685,608.11 = 413,600.92 : x
  2. Step 2: Convert to fraction form
    1,123,626.87/1,685,608.11 = 413,600.92/x
  3. Step 3: Cross multiply
    1,123,626.87x = 1,685,608.11 × 413,600.92
  4. Step 4: Simplify right side
    1,123,626.87x = 697,169,060,841.44
  5. Step 5: Solve for x
    x = 697,169,060,841.44/1,123,626.87
  6. Step 6: Final answer
    x = 620,463.14

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1.5x scale

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.