Home / 439,637.20-659,628.60-173,352.40

Finding the Fourth Proportional to 439,637.20, 659,628.60 and 173,352.40

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Solution

The fourth proportional to 439,637.20, 659,628.60 and 173,352.40 is: 260,096.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,637.20 : 659,628.60 = 173,352.40 : x
  2. Step 2: Convert to fraction form
    439,637.20/659,628.60 = 173,352.40/x
  3. Step 3: Cross multiply
    439,637.20x = 659,628.60 × 173,352.40
  4. Step 4: Simplify right side
    439,637.20x = 114,348,200,918.64
  5. Step 5: Solve for x
    x = 114,348,200,918.64/439,637.20
  6. Step 6: Final answer
    x = 260,096.74

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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.