Home / 481,426.51-722,210.19-144,493.81

Finding the Fourth Proportional to 481,426.51, 722,210.19 and 144,493.81

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Solution

The fourth proportional to 481,426.51, 722,210.19 and 144,493.81 is: 216,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,426.51 : 722,210.19 = 144,493.81 : x
  2. Step 2: Convert to fraction form
    481,426.51/722,210.19 = 144,493.81/x
  3. Step 3: Cross multiply
    481,426.51x = 722,210.19 × 144,493.81
  4. Step 4: Simplify right side
    481,426.51x = 104,354,901,973.92
  5. Step 5: Solve for x
    x = 104,354,901,973.92/481,426.51
  6. Step 6: Final answer
    x = 216,761.85

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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.