Home / 1,543,101.40-2,313,806.44-477,847.72

Finding the Fourth Proportional to 1,543,101.40, 2,313,806.44 and 477,847.72

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Solution

The fourth proportional to 1,543,101.40, 2,313,806.44 and 477,847.72 is: 716,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,101.40 : 2,313,806.44 = 477,847.72 : x
  2. Step 2: Convert to fraction form
    1,543,101.40/2,313,806.44 = 477,847.72/x
  3. Step 3: Cross multiply
    1,543,101.40x = 2,313,806.44 × 477,847.72
  4. Step 4: Simplify right side
    1,543,101.40x = 1,105,647,131,875.32
  5. Step 5: Solve for x
    x = 1,105,647,131,875.32/1,543,101.40
  6. Step 6: Final answer
    x = 716,509.71

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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.