Home / 393,291.27-589,975.25-156,578.49

Finding the Fourth Proportional to 393,291.27, 589,975.25 and 156,578.49

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Solution

The fourth proportional to 393,291.27, 589,975.25 and 156,578.49 is: 234,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,291.27 : 589,975.25 = 156,578.49 : x
  2. Step 2: Convert to fraction form
    393,291.27/589,975.25 = 156,578.49/x
  3. Step 3: Cross multiply
    393,291.27x = 589,975.25 × 156,578.49
  4. Step 4: Simplify right side
    393,291.27x = 92,377,432,999.48
  5. Step 5: Solve for x
    x = 92,377,432,999.48/393,291.27
  6. Step 6: Final answer
    x = 234,883.00

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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.