Home / 459,269.76-687,907.74-222,115.14

Finding the Fourth Proportional to 459,269.76, 687,907.74 and 222,115.14

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Solution

The fourth proportional to 459,269.76, 687,907.74 and 222,115.14 is: 332,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,269.76 : 687,907.74 = 222,115.14 : x
  2. Step 2: Convert to fraction form
    459,269.76/687,907.74 = 222,115.14/x
  3. Step 3: Cross multiply
    459,269.76x = 687,907.74 × 222,115.14
  4. Step 4: Simplify right side
    459,269.76x = 152,794,723,977.18
  5. Step 5: Solve for x
    x = 152,794,723,977.18/459,269.76
  6. Step 6: Final answer
    x = 332,690.58

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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.