Home / 409,132.40-613,261.20-184,454.60

Finding the Fourth Proportional to 409,132.40, 613,261.20 and 184,454.60

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Solution

The fourth proportional to 409,132.40, 613,261.20 and 184,454.60 is: 276,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,132.40 : 613,261.20 = 184,454.60 : x
  2. Step 2: Convert to fraction form
    409,132.40/613,261.20 = 184,454.60/x
  3. Step 3: Cross multiply
    409,132.40x = 613,261.20 × 184,454.60
  4. Step 4: Simplify right side
    409,132.40x = 113,118,849,341.52
  5. Step 5: Solve for x
    x = 113,118,849,341.52/409,132.40
  6. Step 6: Final answer
    x = 276,484.70

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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.