Home / 823,125.40-1,234,688.10-733,895.80

Finding the Fourth Proportional to 823,125.40, 1,234,688.10 and 733,895.80

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Solution

The fourth proportional to 823,125.40, 1,234,688.10 and 733,895.80 is: 1,100,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,125.40 : 1,234,688.10 = 733,895.80 : x
  2. Step 2: Convert to fraction form
    823,125.40/1,234,688.10 = 733,895.80/x
  3. Step 3: Cross multiply
    823,125.40x = 1,234,688.10 × 733,895.80
  4. Step 4: Simplify right side
    823,125.40x = 906,132,410,899.98
  5. Step 5: Solve for x
    x = 906,132,410,899.98/823,125.40
  6. Step 6: Final answer
    x = 1,100,843.70

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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.