Home / 427,005.41-589,279.86-233,423.78

Finding the Fourth Proportional to 427,005.41, 589,279.86 and 233,423.78

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Solution

The fourth proportional to 427,005.41, 589,279.86 and 233,423.78 is: 322,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,005.41 : 589,279.86 = 233,423.78 : x
  2. Step 2: Convert to fraction form
    427,005.41/589,279.86 = 233,423.78/x
  3. Step 3: Cross multiply
    427,005.41x = 589,279.86 × 233,423.78
  4. Step 4: Simplify right side
    427,005.41x = 137,551,929,452.67
  5. Step 5: Solve for x
    x = 137,551,929,452.67/427,005.41
  6. Step 6: Final answer
    x = 322,131.59

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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.