Home / 460,524.64-690,726.48-144,983.20

Finding the Fourth Proportional to 460,524.64, 690,726.48 and 144,983.20

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Solution

The fourth proportional to 460,524.64, 690,726.48 and 144,983.20 is: 217,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,524.64 : 690,726.48 = 144,983.20 : x
  2. Step 2: Convert to fraction form
    460,524.64/690,726.48 = 144,983.20/x
  3. Step 3: Cross multiply
    460,524.64x = 690,726.48 × 144,983.20
  4. Step 4: Simplify right side
    460,524.64x = 100,143,735,395.14
  5. Step 5: Solve for x
    x = 100,143,735,395.14/460,524.64
  6. Step 6: Final answer
    x = 217,455.76

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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.