Home / 285,832.40-393,458.72-247,052.57

Finding the Fourth Proportional to 285,832.40, 393,458.72 and 247,052.57

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Solution

The fourth proportional to 285,832.40, 393,458.72 and 247,052.57 is: 340,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,832.40 : 393,458.72 = 247,052.57 : x
  2. Step 2: Convert to fraction form
    285,832.40/393,458.72 = 247,052.57/x
  3. Step 3: Cross multiply
    285,832.40x = 393,458.72 × 247,052.57
  4. Step 4: Simplify right side
    285,832.40x = 97,204,984,762.35
  5. Step 5: Solve for x
    x = 97,204,984,762.35/285,832.40
  6. Step 6: Final answer
    x = 340,076.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.