Home / 886,001.85-1,329,391.58-412,443.45

Finding the Fourth Proportional to 886,001.85, 1,329,391.58 and 412,443.45

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Solution

The fourth proportional to 886,001.85, 1,329,391.58 and 412,443.45 is: 618,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,001.85 : 1,329,391.58 = 412,443.45 : x
  2. Step 2: Convert to fraction form
    886,001.85/1,329,391.58 = 412,443.45/x
  3. Step 3: Cross multiply
    886,001.85x = 1,329,391.58 × 412,443.45
  4. Step 4: Simplify right side
    886,001.85x = 548,298,847,593.93
  5. Step 5: Solve for x
    x = 548,298,847,593.93/886,001.85
  6. Step 6: Final answer
    x = 618,846.17

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1.5x scale

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.