Home / 459,475.35-689,245.94-122,514.24

Finding the Fourth Proportional to 459,475.35, 689,245.94 and 122,514.24

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Solution

The fourth proportional to 459,475.35, 689,245.94 and 122,514.24 is: 183,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,475.35 : 689,245.94 = 122,514.24 : x
  2. Step 2: Convert to fraction form
    459,475.35/689,245.94 = 122,514.24/x
  3. Step 3: Cross multiply
    459,475.35x = 689,245.94 × 122,514.24
  4. Step 4: Simplify right side
    459,475.35x = 84,442,438,453.38
  5. Step 5: Solve for x
    x = 84,442,438,453.38/459,475.35
  6. Step 6: Final answer
    x = 183,780.13

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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.