Home / 519,328.11-716,546.58-304,426.66

Finding the Fourth Proportional to 519,328.11, 716,546.58 and 304,426.66

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Solution

The fourth proportional to 519,328.11, 716,546.58 and 304,426.66 is: 420,034.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,328.11 : 716,546.58 = 304,426.66 : x
  2. Step 2: Convert to fraction form
    519,328.11/716,546.58 = 304,426.66/x
  3. Step 3: Cross multiply
    519,328.11x = 716,546.58 × 304,426.66
  4. Step 4: Simplify right side
    519,328.11x = 218,135,882,083.82
  5. Step 5: Solve for x
    x = 218,135,882,083.82/519,328.11
  6. Step 6: Final answer
    x = 420,034.81

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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.