Home / 662,845.11-914,435.24-447,906.75

Finding the Fourth Proportional to 662,845.11, 914,435.24 and 447,906.75

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Solution

The fourth proportional to 662,845.11, 914,435.24 and 447,906.75 is: 617,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,845.11 : 914,435.24 = 447,906.75 : x
  2. Step 2: Convert to fraction form
    662,845.11/914,435.24 = 447,906.75/x
  3. Step 3: Cross multiply
    662,845.11x = 914,435.24 × 447,906.75
  4. Step 4: Simplify right side
    662,845.11x = 409,581,714,194.34
  5. Step 5: Solve for x
    x = 409,581,714,194.34/662,845.11
  6. Step 6: Final answer
    x = 617,914.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.