Home / 1,603,470.78-2,405,318.40-643,926.24

Finding the Fourth Proportional to 1,603,470.78, 2,405,318.40 and 643,926.24

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Solution

The fourth proportional to 1,603,470.78, 2,405,318.40 and 643,926.24 is: 965,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,470.78 : 2,405,318.40 = 643,926.24 : x
  2. Step 2: Convert to fraction form
    1,603,470.78/2,405,318.40 = 643,926.24/x
  3. Step 3: Cross multiply
    1,603,470.78x = 2,405,318.40 × 643,926.24
  4. Step 4: Simplify right side
    1,603,470.78x = 1,548,847,633,314.82
  5. Step 5: Solve for x
    x = 1,548,847,633,314.82/1,603,470.78
  6. Step 6: Final answer
    x = 965,934.43

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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.