Home / 459,922.33-689,994.57-144,379.24

Finding the Fourth Proportional to 459,922.33, 689,994.57 and 144,379.24

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Solution

The fourth proportional to 459,922.33, 689,994.57 and 144,379.24 is: 216,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,922.33 : 689,994.57 = 144,379.24 : x
  2. Step 2: Convert to fraction form
    459,922.33/689,994.57 = 144,379.24/x
  3. Step 3: Cross multiply
    459,922.33x = 689,994.57 × 144,379.24
  4. Step 4: Simplify right side
    459,922.33x = 99,620,891,620.73
  5. Step 5: Solve for x
    x = 99,620,891,620.73/459,922.33
  6. Step 6: Final answer
    x = 216,603.73

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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.