Home / 293,512.65-440,416.68-218,782.86

Finding the Fourth Proportional to 293,512.65, 440,416.68 and 218,782.86

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Solution

The fourth proportional to 293,512.65, 440,416.68 and 218,782.86 is: 328,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,512.65 : 440,416.68 = 218,782.86 : x
  2. Step 2: Convert to fraction form
    293,512.65/440,416.68 = 218,782.86/x
  3. Step 3: Cross multiply
    293,512.65x = 440,416.68 × 218,782.86
  4. Step 4: Simplify right side
    293,512.65x = 96,355,620,842.10
  5. Step 5: Solve for x
    x = 96,355,620,842.10/293,512.65
  6. Step 6: Final answer
    x = 328,284.39

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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.