Home / 293,235.20-439,334.40-260,057.60

Finding the Fourth Proportional to 293,235.20, 439,334.40 and 260,057.60

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Solution

The fourth proportional to 293,235.20, 439,334.40 and 260,057.60 is: 389,626.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,235.20 : 439,334.40 = 260,057.60 : x
  2. Step 2: Convert to fraction form
    293,235.20/439,334.40 = 260,057.60/x
  3. Step 3: Cross multiply
    293,235.20x = 439,334.40 × 260,057.60
  4. Step 4: Simplify right side
    293,235.20x = 114,252,249,661.44
  5. Step 5: Solve for x
    x = 114,252,249,661.44/293,235.20
  6. Step 6: Final answer
    x = 389,626.65

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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.