Home / 1,603,179.36-2,212,411.68-878,094.12

Finding the Fourth Proportional to 1,603,179.36, 2,212,411.68 and 878,094.12

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Solution

The fourth proportional to 1,603,179.36, 2,212,411.68 and 878,094.12 is: 1,211,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,179.36 : 2,212,411.68 = 878,094.12 : x
  2. Step 2: Convert to fraction form
    1,603,179.36/2,212,411.68 = 878,094.12/x
  3. Step 3: Cross multiply
    1,603,179.36x = 2,212,411.68 × 878,094.12
  4. Step 4: Simplify right side
    1,603,179.36x = 1,942,705,687,227.32
  5. Step 5: Solve for x
    x = 1,942,705,687,227.32/1,603,179.36
  6. Step 6: Final answer
    x = 1,211,783.12

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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.