Home / 439,633.20-659,622.60-173,348.40

Finding the Fourth Proportional to 439,633.20, 659,622.60 and 173,348.40

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Solution

The fourth proportional to 439,633.20, 659,622.60 and 173,348.40 is: 260,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,633.20 : 659,622.60 = 173,348.40 : x
  2. Step 2: Convert to fraction form
    439,633.20/659,622.60 = 173,348.40/x
  3. Step 3: Cross multiply
    439,633.20x = 659,622.60 × 173,348.40
  4. Step 4: Simplify right side
    439,633.20x = 114,344,522,313.84
  5. Step 5: Solve for x
    x = 114,344,522,313.84/439,633.20
  6. Step 6: Final answer
    x = 260,090.74

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1.5x scale

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.