Home / 1,039,564.49-1,436,003.13-783,377.94

Finding the Fourth Proportional to 1,039,564.49, 1,436,003.13 and 783,377.94

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Solution

The fourth proportional to 1,039,564.49, 1,436,003.13 and 783,377.94 is: 1,082,119.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,564.49 : 1,436,003.13 = 783,377.94 : x
  2. Step 2: Convert to fraction form
    1,039,564.49/1,436,003.13 = 783,377.94/x
  3. Step 3: Cross multiply
    1,039,564.49x = 1,436,003.13 × 783,377.94
  4. Step 4: Simplify right side
    1,039,564.49x = 1,124,933,169,651.61
  5. Step 5: Solve for x
    x = 1,124,933,169,651.61/1,039,564.49
  6. Step 6: Final answer
    x = 1,082,119.66

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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.