Home / 1,603,906.76-2,213,357.46-878,719.16

Finding the Fourth Proportional to 1,603,906.76, 2,213,357.46 and 878,719.16

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Solution

The fourth proportional to 1,603,906.76, 2,213,357.46 and 878,719.16 is: 1,212,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,906.76 : 2,213,357.46 = 878,719.16 : x
  2. Step 2: Convert to fraction form
    1,603,906.76/2,213,357.46 = 878,719.16/x
  3. Step 3: Cross multiply
    1,603,906.76x = 2,213,357.46 × 878,719.16
  4. Step 4: Simplify right side
    1,603,906.76x = 1,944,919,608,030.93
  5. Step 5: Solve for x
    x = 1,944,919,608,030.93/1,603,906.76
  6. Step 6: Final answer
    x = 1,212,613.89

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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.