Home / 495,743.82-743,482.88-215,194.38

Finding the Fourth Proportional to 495,743.82, 743,482.88 and 215,194.38

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Solution

The fourth proportional to 495,743.82, 743,482.88 and 215,194.38 is: 322,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,743.82 : 743,482.88 = 215,194.38 : x
  2. Step 2: Convert to fraction form
    495,743.82/743,482.88 = 215,194.38/x
  3. Step 3: Cross multiply
    495,743.82x = 743,482.88 × 215,194.38
  4. Step 4: Simplify right side
    495,743.82x = 159,993,337,402.21
  5. Step 5: Solve for x
    x = 159,993,337,402.21/495,743.82
  6. Step 6: Final answer
    x = 322,733.90

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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.