Home / 293,218.10-439,827.15-257,059.70

Finding the Fourth Proportional to 293,218.10, 439,827.15 and 257,059.70

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Solution

The fourth proportional to 293,218.10, 439,827.15 and 257,059.70 is: 385,589.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,218.10 : 439,827.15 = 257,059.70 : x
  2. Step 2: Convert to fraction form
    293,218.10/439,827.15 = 257,059.70/x
  3. Step 3: Cross multiply
    293,218.10x = 439,827.15 × 257,059.70
  4. Step 4: Simplify right side
    293,218.10x = 113,061,835,230.86
  5. Step 5: Solve for x
    x = 113,061,835,230.86/293,218.10
  6. Step 6: Final answer
    x = 385,589.55

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Similar ratio
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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.