Home / 293,556.40-439,816.20-240,679.60

Finding the Fourth Proportional to 293,556.40, 439,816.20 and 240,679.60

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Solution

The fourth proportional to 293,556.40, 439,816.20 and 240,679.60 is: 360,594.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,556.40 : 439,816.20 = 240,679.60 : x
  2. Step 2: Convert to fraction form
    293,556.40/439,816.20 = 240,679.60/x
  3. Step 3: Cross multiply
    293,556.40x = 439,816.20 × 240,679.60
  4. Step 4: Simplify right side
    293,556.40x = 105,854,787,089.52
  5. Step 5: Solve for x
    x = 105,854,787,089.52/293,556.40
  6. Step 6: Final answer
    x = 360,594.38

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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.