Home / 1,091,226.47-1,505,968.22-661,524.71

Finding the Fourth Proportional to 1,091,226.47, 1,505,968.22 and 661,524.71

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Solution

The fourth proportional to 1,091,226.47, 1,505,968.22 and 661,524.71 is: 912,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,226.47 : 1,505,968.22 = 661,524.71 : x
  2. Step 2: Convert to fraction form
    1,091,226.47/1,505,968.22 = 661,524.71/x
  3. Step 3: Cross multiply
    1,091,226.47x = 1,505,968.22 × 661,524.71
  4. Step 4: Simplify right side
    1,091,226.47x = 996,235,190,004.72
  5. Step 5: Solve for x
    x = 996,235,190,004.72/1,091,226.47
  6. Step 6: Final answer
    x = 912,949.99

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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.