Home / 411,947.30-617,575.35-214,955.30

Finding the Fourth Proportional to 411,947.30, 617,575.35 and 214,955.30

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Solution

The fourth proportional to 411,947.30, 617,575.35 and 214,955.30 is: 322,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,947.30 : 617,575.35 = 214,955.30 : x
  2. Step 2: Convert to fraction form
    411,947.30/617,575.35 = 214,955.30/x
  3. Step 3: Cross multiply
    411,947.30x = 617,575.35 × 214,955.30
  4. Step 4: Simplify right side
    411,947.30x = 132,751,094,631.86
  5. Step 5: Solve for x
    x = 132,751,094,631.86/411,947.30
  6. Step 6: Final answer
    x = 322,252.61

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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.