Home / 376,886.39-519,869.75-247,839.62

Finding the Fourth Proportional to 376,886.39, 519,869.75 and 247,839.62

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Solution

The fourth proportional to 376,886.39, 519,869.75 and 247,839.62 is: 341,865.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,886.39 : 519,869.75 = 247,839.62 : x
  2. Step 2: Convert to fraction form
    376,886.39/519,869.75 = 247,839.62/x
  3. Step 3: Cross multiply
    376,886.39x = 519,869.75 × 247,839.62
  4. Step 4: Simplify right side
    376,886.39x = 128,844,317,450.95
  5. Step 5: Solve for x
    x = 128,844,317,450.95/376,886.39
  6. Step 6: Final answer
    x = 341,865.14

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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.