Home / 775,591.40-1,163,496.45-243,056.90

Finding the Fourth Proportional to 775,591.40, 1,163,496.45 and 243,056.90

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Solution

The fourth proportional to 775,591.40, 1,163,496.45 and 243,056.90 is: 364,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,591.40 : 1,163,496.45 = 243,056.90 : x
  2. Step 2: Convert to fraction form
    775,591.40/1,163,496.45 = 243,056.90/x
  3. Step 3: Cross multiply
    775,591.40x = 1,163,496.45 × 243,056.90
  4. Step 4: Simplify right side
    775,591.40x = 282,795,840,298.01
  5. Step 5: Solve for x
    x = 282,795,840,298.01/775,591.40
  6. Step 6: Final answer
    x = 364,619.62

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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.