Home / 498,286.09-747,547.40-161,326.77

Finding the Fourth Proportional to 498,286.09, 747,547.40 and 161,326.77

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Solution

The fourth proportional to 498,286.09, 747,547.40 and 161,326.77 is: 242,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,286.09 : 747,547.40 = 161,326.77 : x
  2. Step 2: Convert to fraction form
    498,286.09/747,547.40 = 161,326.77/x
  3. Step 3: Cross multiply
    498,286.09x = 747,547.40 × 161,326.77
  4. Step 4: Simplify right side
    498,286.09x = 120,599,407,463.90
  5. Step 5: Solve for x
    x = 120,599,407,463.90/498,286.09
  6. Step 6: Final answer
    x = 242,028.44

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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.