Home / 1,101,209.94-1,520,321.16-693,661.14

Finding the Fourth Proportional to 1,101,209.94, 1,520,321.16 and 693,661.14

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Solution

The fourth proportional to 1,101,209.94, 1,520,321.16 and 693,661.14 is: 957,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,209.94 : 1,520,321.16 = 693,661.14 : x
  2. Step 2: Convert to fraction form
    1,101,209.94/1,520,321.16 = 693,661.14/x
  3. Step 3: Cross multiply
    1,101,209.94x = 1,520,321.16 × 693,661.14
  4. Step 4: Simplify right side
    1,101,209.94x = 1,054,587,709,011.72
  5. Step 5: Solve for x
    x = 1,054,587,709,011.72/1,101,209.94
  6. Step 6: Final answer
    x = 957,662.72

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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.