Home / 1,067,963.40-1,603,052.55-715,440.87

Finding the Fourth Proportional to 1,067,963.40, 1,603,052.55 and 715,440.87

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Solution

The fourth proportional to 1,067,963.40, 1,603,052.55 and 715,440.87 is: 1,073,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,963.40 : 1,603,052.55 = 715,440.87 : x
  2. Step 2: Convert to fraction form
    1,067,963.40/1,603,052.55 = 715,440.87/x
  3. Step 3: Cross multiply
    1,067,963.40x = 1,603,052.55 × 715,440.87
  4. Step 4: Simplify right side
    1,067,963.40x = 1,146,889,311,027.72
  5. Step 5: Solve for x
    x = 1,146,889,311,027.72/1,067,963.40
  6. Step 6: Final answer
    x = 1,073,903.20

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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.