Home / 770,600.32-1,151,175.21-555,532.79

Finding the Fourth Proportional to 770,600.32, 1,151,175.21 and 555,532.79

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Solution

The fourth proportional to 770,600.32, 1,151,175.21 and 555,532.79 is: 829,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,600.32 : 1,151,175.21 = 555,532.79 : x
  2. Step 2: Convert to fraction form
    770,600.32/1,151,175.21 = 555,532.79/x
  3. Step 3: Cross multiply
    770,600.32x = 1,151,175.21 × 555,532.79
  4. Step 4: Simplify right side
    770,600.32x = 639,515,568,351.01
  5. Step 5: Solve for x
    x = 639,515,568,351.01/770,600.32
  6. Step 6: Final answer
    x = 829,892.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.