Home / 293,217.10-439,825.65-257,058.70

Finding the Fourth Proportional to 293,217.10, 439,825.65 and 257,058.70

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Solution

The fourth proportional to 293,217.10, 439,825.65 and 257,058.70 is: 385,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,217.10 : 439,825.65 = 257,058.70 : x
  2. Step 2: Convert to fraction form
    293,217.10/439,825.65 = 257,058.70/x
  3. Step 3: Cross multiply
    293,217.10x = 439,825.65 × 257,058.70
  4. Step 4: Simplify right side
    293,217.10x = 113,061,009,815.66
  5. Step 5: Solve for x
    x = 113,061,009,815.66/293,217.10
  6. Step 6: Final answer
    x = 385,588.05

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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.