Home / 293,336.10-439,615.35-259,899.30

Finding the Fourth Proportional to 293,336.10, 439,615.35 and 259,899.30

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Solution

The fourth proportional to 293,336.10, 439,615.35 and 259,899.30 is: 389,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,336.10 : 439,615.35 = 259,899.30 : x
  2. Step 2: Convert to fraction form
    293,336.10/439,615.35 = 259,899.30/x
  3. Step 3: Cross multiply
    293,336.10x = 439,615.35 × 259,899.30
  4. Step 4: Simplify right side
    293,336.10x = 114,255,721,734.26
  5. Step 5: Solve for x
    x = 114,255,721,734.26/293,336.10
  6. Step 6: Final answer
    x = 389,504.47

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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.