Home / 1,039,573.36-1,436,015.40-783,386.83

Finding the Fourth Proportional to 1,039,573.36, 1,436,015.40 and 783,386.83

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Solution

The fourth proportional to 1,039,573.36, 1,436,015.40 and 783,386.83 is: 1,082,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,573.36 : 1,436,015.40 = 783,386.83 : x
  2. Step 2: Convert to fraction form
    1,039,573.36/1,436,015.40 = 783,386.83/x
  3. Step 3: Cross multiply
    1,039,573.36x = 1,436,015.40 × 783,386.83
  4. Step 4: Simplify right side
    1,039,573.36x = 1,124,955,552,037.18
  5. Step 5: Solve for x
    x = 1,124,955,552,037.18/1,039,573.36
  6. Step 6: Final answer
    x = 1,082,131.95

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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.