Home / 1,172,670.81-1,756,715.49-807,868.05

Finding the Fourth Proportional to 1,172,670.81, 1,756,715.49 and 807,868.05

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Solution

The fourth proportional to 1,172,670.81, 1,756,715.49 and 807,868.05 is: 1,210,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,670.81 : 1,756,715.49 = 807,868.05 : x
  2. Step 2: Convert to fraction form
    1,172,670.81/1,756,715.49 = 807,868.05/x
  3. Step 3: Cross multiply
    1,172,670.81x = 1,756,715.49 × 807,868.05
  4. Step 4: Simplify right side
    1,172,670.81x = 1,419,194,317,311.09
  5. Step 5: Solve for x
    x = 1,419,194,317,311.09/1,172,670.81
  6. Step 6: Final answer
    x = 1,210,223.96

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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.