Home / 462,781.28-694,258.82-210,079.51

Finding the Fourth Proportional to 462,781.28, 694,258.82 and 210,079.51

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Solution

The fourth proportional to 462,781.28, 694,258.82 and 210,079.51 is: 315,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,781.28 : 694,258.82 = 210,079.51 : x
  2. Step 2: Convert to fraction form
    462,781.28/694,258.82 = 210,079.51/x
  3. Step 3: Cross multiply
    462,781.28x = 694,258.82 × 210,079.51
  4. Step 4: Simplify right side
    462,781.28x = 145,849,550,720.53
  5. Step 5: Solve for x
    x = 145,849,550,720.53/462,781.28
  6. Step 6: Final answer
    x = 315,158.71

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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.