Home / 1,603,399.95-2,212,691.45-878,292.81

Finding the Fourth Proportional to 1,603,399.95, 2,212,691.45 and 878,292.81

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Solution

The fourth proportional to 1,603,399.95, 2,212,691.45 and 878,292.81 is: 1,212,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,399.95 : 2,212,691.45 = 878,292.81 : x
  2. Step 2: Convert to fraction form
    1,603,399.95/2,212,691.45 = 878,292.81/x
  3. Step 3: Cross multiply
    1,603,399.95x = 2,212,691.45 × 878,292.81
  4. Step 4: Simplify right side
    1,603,399.95x = 1,943,390,986,892.01
  5. Step 5: Solve for x
    x = 1,943,390,986,892.01/1,603,399.95
  6. Step 6: Final answer
    x = 1,212,043.81

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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.