Home / 649,248.12-973,976.82-199,968.84

Finding the Fourth Proportional to 649,248.12, 973,976.82 and 199,968.84

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Solution

The fourth proportional to 649,248.12, 973,976.82 and 199,968.84 is: 299,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,248.12 : 973,976.82 = 199,968.84 : x
  2. Step 2: Convert to fraction form
    649,248.12/973,976.82 = 199,968.84/x
  3. Step 3: Cross multiply
    649,248.12x = 973,976.82 × 199,968.84
  4. Step 4: Simplify right side
    649,248.12x = 194,765,014,882.29
  5. Step 5: Solve for x
    x = 194,765,014,882.29/649,248.12
  6. Step 6: Final answer
    x = 299,985.49

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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.