Home / 293,618.08-440,427-83,257.84

Finding the Fourth Proportional to 293,618.08, 440,427 and 83,257.84

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Solution

The fourth proportional to 293,618.08, 440,427 and 83,257.84 is: 124,886.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,618.08 : 440,427 = 83,257.84 : x
  2. Step 2: Convert to fraction form
    293,618.08/440,427 = 83,257.84/x
  3. Step 3: Cross multiply
    293,618.08x = 440,427 × 83,257.84
  4. Step 4: Simplify right side
    293,618.08x = 36,669,000,697.68
  5. Step 5: Solve for x
    x = 36,669,000,697.68/293,618.08
  6. Step 6: Final answer
    x = 124,886.73

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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.