Home / 1,543,991.20-2,315,969.91-632,970.38

Finding the Fourth Proportional to 1,543,991.20, 2,315,969.91 and 632,970.38

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Solution

The fourth proportional to 1,543,991.20, 2,315,969.91 and 632,970.38 is: 949,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,991.20 : 2,315,969.91 = 632,970.38 : x
  2. Step 2: Convert to fraction form
    1,543,991.20/2,315,969.91 = 632,970.38/x
  3. Step 3: Cross multiply
    1,543,991.20x = 2,315,969.91 × 632,970.38
  4. Step 4: Simplify right side
    1,543,991.20x = 1,465,940,359,791.19
  5. Step 5: Solve for x
    x = 1,465,940,359,791.19/1,543,991.20
  6. Step 6: Final answer
    x = 949,448.65

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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.