Home / 374,979.16-517,391.22-222,065.38

Finding the Fourth Proportional to 374,979.16, 517,391.22 and 222,065.38

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Solution

The fourth proportional to 374,979.16, 517,391.22 and 222,065.38 is: 306,402.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,979.16 : 517,391.22 = 222,065.38 : x
  2. Step 2: Convert to fraction form
    374,979.16/517,391.22 = 222,065.38/x
  3. Step 3: Cross multiply
    374,979.16x = 517,391.22 × 222,065.38
  4. Step 4: Simplify right side
    374,979.16x = 114,894,677,877.96
  5. Step 5: Solve for x
    x = 114,894,677,877.96/374,979.16
  6. Step 6: Final answer
    x = 306,402.84

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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.