Home / 751,753.80-1,127,132.55-414,955.80

Finding the Fourth Proportional to 751,753.80, 1,127,132.55 and 414,955.80

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Solution

The fourth proportional to 751,753.80, 1,127,132.55 and 414,955.80 is: 622,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,753.80 : 1,127,132.55 = 414,955.80 : x
  2. Step 2: Convert to fraction form
    751,753.80/1,127,132.55 = 414,955.80/x
  3. Step 3: Cross multiply
    751,753.80x = 1,127,132.55 × 414,955.80
  4. Step 4: Simplify right side
    751,753.80x = 467,710,188,991.29
  5. Step 5: Solve for x
    x = 467,710,188,991.29/751,753.80
  6. Step 6: Final answer
    x = 622,158.73

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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.