Home / 497,318.82-686,299.97-270,964.32

Finding the Fourth Proportional to 497,318.82, 686,299.97 and 270,964.32

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Solution

The fourth proportional to 497,318.82, 686,299.97 and 270,964.32 is: 373,930.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,318.82 : 686,299.97 = 270,964.32 : x
  2. Step 2: Convert to fraction form
    497,318.82/686,299.97 = 270,964.32/x
  3. Step 3: Cross multiply
    497,318.82x = 686,299.97 × 270,964.32
  4. Step 4: Simplify right side
    497,318.82x = 185,962,803,332.25
  5. Step 5: Solve for x
    x = 185,962,803,332.25/497,318.82
  6. Step 6: Final answer
    x = 373,930.76

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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.