Home / 788,816.40-1,183,224.60-655,846.80

Finding the Fourth Proportional to 788,816.40, 1,183,224.60 and 655,846.80

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Solution

The fourth proportional to 788,816.40, 1,183,224.60 and 655,846.80 is: 983,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,816.40 : 1,183,224.60 = 655,846.80 : x
  2. Step 2: Convert to fraction form
    788,816.40/1,183,224.60 = 655,846.80/x
  3. Step 3: Cross multiply
    788,816.40x = 1,183,224.60 × 655,846.80
  4. Step 4: Simplify right side
    788,816.40x = 776,014,067,591.28
  5. Step 5: Solve for x
    x = 776,014,067,591.28/788,816.40
  6. Step 6: Final answer
    x = 983,770.20

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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.