Home / 681,162.28-939,964.26-500,632.36

Finding the Fourth Proportional to 681,162.28, 939,964.26 and 500,632.36

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Solution

The fourth proportional to 681,162.28, 939,964.26 and 500,632.36 is: 690,843.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,162.28 : 939,964.26 = 500,632.36 : x
  2. Step 2: Convert to fraction form
    681,162.28/939,964.26 = 500,632.36/x
  3. Step 3: Cross multiply
    681,162.28x = 939,964.26 × 500,632.36
  4. Step 4: Simplify right side
    681,162.28x = 470,576,525,799.45
  5. Step 5: Solve for x
    x = 470,576,525,799.45/681,162.28
  6. Step 6: Final answer
    x = 690,843.49

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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.