Home / 747,226.62-1,031,169.69-407,694.06

Finding the Fourth Proportional to 747,226.62, 1,031,169.69 and 407,694.06

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Solution

The fourth proportional to 747,226.62, 1,031,169.69 and 407,694.06 is: 562,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,226.62 : 1,031,169.69 = 407,694.06 : x
  2. Step 2: Convert to fraction form
    747,226.62/1,031,169.69 = 407,694.06/x
  3. Step 3: Cross multiply
    747,226.62x = 1,031,169.69 × 407,694.06
  4. Step 4: Simplify right side
    747,226.62x = 420,401,757,465.04
  5. Step 5: Solve for x
    x = 420,401,757,465.04/747,226.62
  6. Step 6: Final answer
    x = 562,616.14

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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.