Home / 472,122.38-651,508.49-268,172.66

Finding the Fourth Proportional to 472,122.38, 651,508.49 and 268,172.66

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Solution

The fourth proportional to 472,122.38, 651,508.49 and 268,172.66 is: 370,066.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,122.38 : 651,508.49 = 268,172.66 : x
  2. Step 2: Convert to fraction form
    472,122.38/651,508.49 = 268,172.66/x
  3. Step 3: Cross multiply
    472,122.38x = 651,508.49 × 268,172.66
  4. Step 4: Simplify right side
    472,122.38x = 174,716,763,435.02
  5. Step 5: Solve for x
    x = 174,716,763,435.02/472,122.38
  6. Step 6: Final answer
    x = 370,066.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.