Home / 751,151.70-1,126,727.55-662,505.30

Finding the Fourth Proportional to 751,151.70, 1,126,727.55 and 662,505.30

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Solution

The fourth proportional to 751,151.70, 1,126,727.55 and 662,505.30 is: 993,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,151.70 : 1,126,727.55 = 662,505.30 : x
  2. Step 2: Convert to fraction form
    751,151.70/1,126,727.55 = 662,505.30/x
  3. Step 3: Cross multiply
    751,151.70x = 1,126,727.55 × 662,505.30
  4. Step 4: Simplify right side
    751,151.70x = 746,462,973,531.02
  5. Step 5: Solve for x
    x = 746,462,973,531.02/751,151.70
  6. Step 6: Final answer
    x = 993,757.95

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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.