Home / 681,882.37-940,769.24-440,328.22

Finding the Fourth Proportional to 681,882.37, 940,769.24 and 440,328.22

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Solution

The fourth proportional to 681,882.37, 940,769.24 and 440,328.22 is: 607,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,882.37 : 940,769.24 = 440,328.22 : x
  2. Step 2: Convert to fraction form
    681,882.37/940,769.24 = 440,328.22/x
  3. Step 3: Cross multiply
    681,882.37x = 940,769.24 × 440,328.22
  4. Step 4: Simplify right side
    681,882.37x = 414,247,240,326.39
  5. Step 5: Solve for x
    x = 414,247,240,326.39/681,882.37
  6. Step 6: Final answer
    x = 607,505.43

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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.