Home / 543,975.42-815,962.98-169,998.42

Finding the Fourth Proportional to 543,975.42, 815,962.98 and 169,998.42

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Solution

The fourth proportional to 543,975.42, 815,962.98 and 169,998.42 is: 254,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,975.42 : 815,962.98 = 169,998.42 : x
  2. Step 2: Convert to fraction form
    543,975.42/815,962.98 = 169,998.42/x
  3. Step 3: Cross multiply
    543,975.42x = 815,962.98 × 169,998.42
  4. Step 4: Simplify right side
    543,975.42x = 138,712,417,378.49
  5. Step 5: Solve for x
    x = 138,712,417,378.49/543,975.42
  6. Step 6: Final answer
    x = 254,997.58

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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.