Home / 543,952.58-815,928.68-169,975.58

Finding the Fourth Proportional to 543,952.58, 815,928.68 and 169,975.58

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Solution

The fourth proportional to 543,952.58, 815,928.68 and 169,975.58 is: 254,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,952.58 : 815,928.68 = 169,975.58 : x
  2. Step 2: Convert to fraction form
    543,952.58/815,928.68 = 169,975.58/x
  3. Step 3: Cross multiply
    543,952.58x = 815,928.68 × 169,975.58
  4. Step 4: Simplify right side
    543,952.58x = 138,687,945,692.11
  5. Step 5: Solve for x
    x = 138,687,945,692.11/543,952.58
  6. Step 6: Final answer
    x = 254,963.30

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Half scale
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Double scale
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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.