Home / 695,122.20-958,451.30-557,190.84

Finding the Fourth Proportional to 695,122.20, 958,451.30 and 557,190.84

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Solution

The fourth proportional to 695,122.20, 958,451.30 and 557,190.84 is: 768,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,122.20 : 958,451.30 = 557,190.84 : x
  2. Step 2: Convert to fraction form
    695,122.20/958,451.30 = 557,190.84/x
  3. Step 3: Cross multiply
    695,122.20x = 958,451.30 × 557,190.84
  4. Step 4: Simplify right side
    695,122.20x = 534,040,284,946.09
  5. Step 5: Solve for x
    x = 534,040,284,946.09/695,122.20
  6. Step 6: Final answer
    x = 768,268.21

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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.