Home / 807,383.20-1,211,074.80-523,530.40

Finding the Fourth Proportional to 807,383.20, 1,211,074.80 and 523,530.40

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Solution

The fourth proportional to 807,383.20, 1,211,074.80 and 523,530.40 is: 785,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,383.20 : 1,211,074.80 = 523,530.40 : x
  2. Step 2: Convert to fraction form
    807,383.20/1,211,074.80 = 523,530.40/x
  3. Step 3: Cross multiply
    807,383.20x = 1,211,074.80 × 523,530.40
  4. Step 4: Simplify right side
    807,383.20x = 634,034,474,473.92
  5. Step 5: Solve for x
    x = 634,034,474,473.92/807,383.20
  6. Step 6: Final answer
    x = 785,295.60

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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.