Home / 1,603,705.83-2,213,107.48-878,598.69

Finding the Fourth Proportional to 1,603,705.83, 2,213,107.48 and 878,598.69

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Solution

The fourth proportional to 1,603,705.83, 2,213,107.48 and 878,598.69 is: 1,212,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,705.83 : 2,213,107.48 = 878,598.69 : x
  2. Step 2: Convert to fraction form
    1,603,705.83/2,213,107.48 = 878,598.69/x
  3. Step 3: Cross multiply
    1,603,705.83x = 2,213,107.48 × 878,598.69
  4. Step 4: Simplify right side
    1,603,705.83x = 1,944,433,332,757.20
  5. Step 5: Solve for x
    x = 1,944,433,332,757.20/1,603,705.83
  6. Step 6: Final answer
    x = 1,212,462.60

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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.