Home / 823,830.14-1,136,299.26-756,065.78

Finding the Fourth Proportional to 823,830.14, 1,136,299.26 and 756,065.78

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Solution

The fourth proportional to 823,830.14, 1,136,299.26 and 756,065.78 is: 1,042,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,830.14 : 1,136,299.26 = 756,065.78 : x
  2. Step 2: Convert to fraction form
    823,830.14/1,136,299.26 = 756,065.78/x
  3. Step 3: Cross multiply
    823,830.14x = 1,136,299.26 × 756,065.78
  4. Step 4: Simplify right side
    823,830.14x = 859,116,986,325.32
  5. Step 5: Solve for x
    x = 859,116,986,325.32/823,830.14
  6. Step 6: Final answer
    x = 1,042,832.67

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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.