Home / 770,716.54-1,063,556.13-426,520.27

Finding the Fourth Proportional to 770,716.54, 1,063,556.13 and 426,520.27

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Solution

The fourth proportional to 770,716.54, 1,063,556.13 and 426,520.27 is: 588,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,716.54 : 1,063,556.13 = 426,520.27 : x
  2. Step 2: Convert to fraction form
    770,716.54/1,063,556.13 = 426,520.27/x
  3. Step 3: Cross multiply
    770,716.54x = 1,063,556.13 × 426,520.27
  4. Step 4: Simplify right side
    770,716.54x = 453,628,247,727.76
  5. Step 5: Solve for x
    x = 453,628,247,727.76/770,716.54
  6. Step 6: Final answer
    x = 588,579.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.