Home / 482,926.78-666,434.01-268,061.32

Finding the Fourth Proportional to 482,926.78, 666,434.01 and 268,061.32

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Solution

The fourth proportional to 482,926.78, 666,434.01 and 268,061.32 is: 369,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,926.78 : 666,434.01 = 268,061.32 : x
  2. Step 2: Convert to fraction form
    482,926.78/666,434.01 = 268,061.32/x
  3. Step 3: Cross multiply
    482,926.78x = 666,434.01 × 268,061.32
  4. Step 4: Simplify right side
    482,926.78x = 178,645,180,413.49
  5. Step 5: Solve for x
    x = 178,645,180,413.49/482,926.78
  6. Step 6: Final answer
    x = 369,921.88

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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.