Home / 452,258.24-678,387.36-171,774.80

Finding the Fourth Proportional to 452,258.24, 678,387.36 and 171,774.80

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Solution

The fourth proportional to 452,258.24, 678,387.36 and 171,774.80 is: 257,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,258.24 : 678,387.36 = 171,774.80 : x
  2. Step 2: Convert to fraction form
    452,258.24/678,387.36 = 171,774.80/x
  3. Step 3: Cross multiply
    452,258.24x = 678,387.36 × 171,774.80
  4. Step 4: Simplify right side
    452,258.24x = 116,529,853,086.53
  5. Step 5: Solve for x
    x = 116,529,853,086.53/452,258.24
  6. Step 6: Final answer
    x = 257,662.20

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Similar ratio
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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.