Home / 1,543,577.92-2,315,367.79-644,529.56

Finding the Fourth Proportional to 1,543,577.92, 2,315,367.79 and 644,529.56

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Solution

The fourth proportional to 1,543,577.92, 2,315,367.79 and 644,529.56 is: 966,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,577.92 : 2,315,367.79 = 644,529.56 : x
  2. Step 2: Convert to fraction form
    1,543,577.92/2,315,367.79 = 644,529.56/x
  3. Step 3: Cross multiply
    1,543,577.92x = 2,315,367.79 × 644,529.56
  4. Step 4: Simplify right side
    1,543,577.92x = 1,492,322,969,738.71
  5. Step 5: Solve for x
    x = 1,492,322,969,738.71/1,543,577.92
  6. Step 6: Final answer
    x = 966,794.71

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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.