Home / 1,322,181.57-1,983,216.93-423,603.41

Finding the Fourth Proportional to 1,322,181.57, 1,983,216.93 and 423,603.41

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Solution

The fourth proportional to 1,322,181.57, 1,983,216.93 and 423,603.41 is: 635,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,181.57 : 1,983,216.93 = 423,603.41 : x
  2. Step 2: Convert to fraction form
    1,322,181.57/1,983,216.93 = 423,603.41/x
  3. Step 3: Cross multiply
    1,322,181.57x = 1,983,216.93 × 423,603.41
  4. Step 4: Simplify right side
    1,322,181.57x = 840,097,454,753.98
  5. Step 5: Solve for x
    x = 840,097,454,753.98/1,322,181.57
  6. Step 6: Final answer
    x = 635,387.36

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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.