Home / 766,468.48-1,057,759.16-426,936.64

Finding the Fourth Proportional to 766,468.48, 1,057,759.16 and 426,936.64

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Solution

The fourth proportional to 766,468.48, 1,057,759.16 and 426,936.64 is: 589,190.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,468.48 : 1,057,759.16 = 426,936.64 : x
  2. Step 2: Convert to fraction form
    766,468.48/1,057,759.16 = 426,936.64/x
  3. Step 3: Cross multiply
    766,468.48x = 1,057,759.16 × 426,936.64
  4. Step 4: Simplify right side
    766,468.48x = 451,596,141,699.62
  5. Step 5: Solve for x
    x = 451,596,141,699.62/766,468.48
  6. Step 6: Final answer
    x = 589,190.75

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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.