Home / 427,193.06-640,886.78-227,408.18

Finding the Fourth Proportional to 427,193.06, 640,886.78 and 227,408.18

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Solution

The fourth proportional to 427,193.06, 640,886.78 and 227,408.18 is: 341,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,193.06 : 640,886.78 = 227,408.18 : x
  2. Step 2: Convert to fraction form
    427,193.06/640,886.78 = 227,408.18/x
  3. Step 3: Cross multiply
    427,193.06x = 640,886.78 × 227,408.18
  4. Step 4: Simplify right side
    427,193.06x = 145,742,893,589.95
  5. Step 5: Solve for x
    x = 145,742,893,589.95/427,193.06
  6. Step 6: Final answer
    x = 341,164.01

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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.