Home / 923,545.80-1,384,152.30-449,209.80

Finding the Fourth Proportional to 923,545.80, 1,384,152.30 and 449,209.80

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Solution

The fourth proportional to 923,545.80, 1,384,152.30 and 449,209.80 is: 673,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,545.80 : 1,384,152.30 = 449,209.80 : x
  2. Step 2: Convert to fraction form
    923,545.80/1,384,152.30 = 449,209.80/x
  3. Step 3: Cross multiply
    923,545.80x = 1,384,152.30 × 449,209.80
  4. Step 4: Simplify right side
    923,545.80x = 621,774,777,852.54
  5. Step 5: Solve for x
    x = 621,774,777,852.54/923,545.80
  6. Step 6: Final answer
    x = 673,247.37

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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.