Home / 1,127,345.94-1,690,863.39-622,839.06

Finding the Fourth Proportional to 1,127,345.94, 1,690,863.39 and 622,839.06

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Solution

The fourth proportional to 1,127,345.94, 1,690,863.39 and 622,839.06 is: 934,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,345.94 : 1,690,863.39 = 622,839.06 : x
  2. Step 2: Convert to fraction form
    1,127,345.94/1,690,863.39 = 622,839.06/x
  3. Step 3: Cross multiply
    1,127,345.94x = 1,690,863.39 × 622,839.06
  4. Step 4: Simplify right side
    1,127,345.94x = 1,053,135,764,416.01
  5. Step 5: Solve for x
    x = 1,053,135,764,416.01/1,127,345.94
  6. Step 6: Final answer
    x = 934,172.67

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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.