Home / 736,974.52-1,103,690.27-420,471.88

Finding the Fourth Proportional to 736,974.52, 1,103,690.27 and 420,471.88

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Solution

The fourth proportional to 736,974.52, 1,103,690.27 and 420,471.88 is: 629,697.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,974.52 : 1,103,690.27 = 420,471.88 : x
  2. Step 2: Convert to fraction form
    736,974.52/1,103,690.27 = 420,471.88/x
  3. Step 3: Cross multiply
    736,974.52x = 1,103,690.27 × 420,471.88
  4. Step 4: Simplify right side
    736,974.52x = 464,070,721,056.56
  5. Step 5: Solve for x
    x = 464,070,721,056.56/736,974.52
  6. Step 6: Final answer
    x = 629,697.11

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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.