Home / 798,496.20-1,197,744.30-419,270.40

Finding the Fourth Proportional to 798,496.20, 1,197,744.30 and 419,270.40

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Solution

The fourth proportional to 798,496.20, 1,197,744.30 and 419,270.40 is: 628,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,496.20 : 1,197,744.30 = 419,270.40 : x
  2. Step 2: Convert to fraction form
    798,496.20/1,197,744.30 = 419,270.40/x
  3. Step 3: Cross multiply
    798,496.20x = 1,197,744.30 × 419,270.40
  4. Step 4: Simplify right side
    798,496.20x = 502,178,731,758.72
  5. Step 5: Solve for x
    x = 502,178,731,758.72/798,496.20
  6. Step 6: Final answer
    x = 628,905.60

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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.