Home / 809,056.20-1,213,584.30-557,113.80

Finding the Fourth Proportional to 809,056.20, 1,213,584.30 and 557,113.80

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Solution

The fourth proportional to 809,056.20, 1,213,584.30 and 557,113.80 is: 835,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,056.20 : 1,213,584.30 = 557,113.80 : x
  2. Step 2: Convert to fraction form
    809,056.20/1,213,584.30 = 557,113.80/x
  3. Step 3: Cross multiply
    809,056.20x = 1,213,584.30 × 557,113.80
  4. Step 4: Simplify right side
    809,056.20x = 676,104,560,993.34
  5. Step 5: Solve for x
    x = 676,104,560,993.34/809,056.20
  6. Step 6: Final answer
    x = 835,670.70

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Double scale
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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.