Home / 499,426.67-689,211.47-273,072.17

Finding the Fourth Proportional to 499,426.67, 689,211.47 and 273,072.17

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Solution

The fourth proportional to 499,426.67, 689,211.47 and 273,072.17 is: 376,841.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,426.67 : 689,211.47 = 273,072.17 : x
  2. Step 2: Convert to fraction form
    499,426.67/689,211.47 = 273,072.17/x
  3. Step 3: Cross multiply
    499,426.67x = 689,211.47 × 273,072.17
  4. Step 4: Simplify right side
    499,426.67x = 188,204,471,701.79
  5. Step 5: Solve for x
    x = 188,204,471,701.79/499,426.67
  6. Step 6: Final answer
    x = 376,841.05

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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.