Home / 307,632.80-461,449.20-293,117.60

Finding the Fourth Proportional to 307,632.80, 461,449.20 and 293,117.60

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Solution

The fourth proportional to 307,632.80, 461,449.20 and 293,117.60 is: 439,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,632.80 : 461,449.20 = 293,117.60 : x
  2. Step 2: Convert to fraction form
    307,632.80/461,449.20 = 293,117.60/x
  3. Step 3: Cross multiply
    307,632.80x = 461,449.20 × 293,117.60
  4. Step 4: Simplify right side
    307,632.80x = 135,258,882,025.92
  5. Step 5: Solve for x
    x = 135,258,882,025.92/307,632.80
  6. Step 6: Final answer
    x = 439,676.40

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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.