Home / 1,039,573.36-1,436,015.39-783,386.82

Finding the Fourth Proportional to 1,039,573.36, 1,436,015.39 and 783,386.82

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Solution

The fourth proportional to 1,039,573.36, 1,436,015.39 and 783,386.82 is: 1,082,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,573.36 : 1,436,015.39 = 783,386.82 : x
  2. Step 2: Convert to fraction form
    1,039,573.36/1,436,015.39 = 783,386.82/x
  3. Step 3: Cross multiply
    1,039,573.36x = 1,436,015.39 × 783,386.82
  4. Step 4: Simplify right side
    1,039,573.36x = 1,124,955,529,843.16
  5. Step 5: Solve for x
    x = 1,124,955,529,843.16/1,039,573.36
  6. Step 6: Final answer
    x = 1,082,131.93

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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.