Home / 823,050.11-1,136,197.49-619,178.85

Finding the Fourth Proportional to 823,050.11, 1,136,197.49 and 619,178.85

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Solution

The fourth proportional to 823,050.11, 1,136,197.49 and 619,178.85 is: 854,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,050.11 : 1,136,197.49 = 619,178.85 : x
  2. Step 2: Convert to fraction form
    823,050.11/1,136,197.49 = 619,178.85/x
  3. Step 3: Cross multiply
    823,050.11x = 1,136,197.49 × 619,178.85
  4. Step 4: Simplify right side
    823,050.11x = 703,509,455,231.09
  5. Step 5: Solve for x
    x = 703,509,455,231.09/823,050.11
  6. Step 6: Final answer
    x = 854,758.96

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Double scale
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1.5x scale

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.