Home / 886,904.80-1,328,826.30-412,617.40

Finding the Fourth Proportional to 886,904.80, 1,328,826.30 and 412,617.40

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Solution

The fourth proportional to 886,904.80, 1,328,826.30 and 412,617.40 is: 618,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,904.80 : 1,328,826.30 = 412,617.40 : x
  2. Step 2: Convert to fraction form
    886,904.80/1,328,826.30 = 412,617.40/x
  3. Step 3: Cross multiply
    886,904.80x = 1,328,826.30 × 412,617.40
  4. Step 4: Simplify right side
    886,904.80x = 548,296,852,957.62
  5. Step 5: Solve for x
    x = 548,296,852,957.62/886,904.80
  6. Step 6: Final answer
    x = 618,213.87

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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.