Home / 763,325.20-1,144,987.80-202,416.40

Finding the Fourth Proportional to 763,325.20, 1,144,987.80 and 202,416.40

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Solution

The fourth proportional to 763,325.20, 1,144,987.80 and 202,416.40 is: 303,624.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,325.20 : 1,144,987.80 = 202,416.40 : x
  2. Step 2: Convert to fraction form
    763,325.20/1,144,987.80 = 202,416.40/x
  3. Step 3: Cross multiply
    763,325.20x = 1,144,987.80 × 202,416.40
  4. Step 4: Simplify right side
    763,325.20x = 231,764,308,519.92
  5. Step 5: Solve for x
    x = 231,764,308,519.92/763,325.20
  6. Step 6: Final answer
    x = 303,624.60

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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.