Home / 455,494.38-683,656.20-242,441.16

Finding the Fourth Proportional to 455,494.38, 683,656.20 and 242,441.16

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Solution

The fourth proportional to 455,494.38, 683,656.20 and 242,441.16 is: 363,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,494.38 : 683,656.20 = 242,441.16 : x
  2. Step 2: Convert to fraction form
    455,494.38/683,656.20 = 242,441.16/x
  3. Step 3: Cross multiply
    455,494.38x = 683,656.20 × 242,441.16
  4. Step 4: Simplify right side
    455,494.38x = 165,746,402,169.19
  5. Step 5: Solve for x
    x = 165,746,402,169.19/455,494.38
  6. Step 6: Final answer
    x = 363,882.43

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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.