Home / 409,719.12-614,577.60-110,199.60

Finding the Fourth Proportional to 409,719.12, 614,577.60 and 110,199.60

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Solution

The fourth proportional to 409,719.12, 614,577.60 and 110,199.60 is: 165,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,719.12 : 614,577.60 = 110,199.60 : x
  2. Step 2: Convert to fraction form
    409,719.12/614,577.60 = 110,199.60/x
  3. Step 3: Cross multiply
    409,719.12x = 614,577.60 × 110,199.60
  4. Step 4: Simplify right side
    409,719.12x = 67,726,205,688.96
  5. Step 5: Solve for x
    x = 67,726,205,688.96/409,719.12
  6. Step 6: Final answer
    x = 165,299.11

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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.