Home / 768,164.20-1,152,246.30-628,196.20

Finding the Fourth Proportional to 768,164.20, 1,152,246.30 and 628,196.20

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Solution

The fourth proportional to 768,164.20, 1,152,246.30 and 628,196.20 is: 942,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,164.20 : 1,152,246.30 = 628,196.20 : x
  2. Step 2: Convert to fraction form
    768,164.20/1,152,246.30 = 628,196.20/x
  3. Step 3: Cross multiply
    768,164.20x = 1,152,246.30 × 628,196.20
  4. Step 4: Simplify right side
    768,164.20x = 723,836,747,124.06
  5. Step 5: Solve for x
    x = 723,836,747,124.06/768,164.20
  6. Step 6: Final answer
    x = 942,294.30

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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.