Home / 737,429.28-1,106,143.92-421,664.70

Finding the Fourth Proportional to 737,429.28, 1,106,143.92 and 421,664.70

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Solution

The fourth proportional to 737,429.28, 1,106,143.92 and 421,664.70 is: 632,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,429.28 : 1,106,143.92 = 421,664.70 : x
  2. Step 2: Convert to fraction form
    737,429.28/1,106,143.92 = 421,664.70/x
  3. Step 3: Cross multiply
    737,429.28x = 1,106,143.92 × 421,664.70
  4. Step 4: Simplify right side
    737,429.28x = 466,421,844,183.62
  5. Step 5: Solve for x
    x = 466,421,844,183.62/737,429.28
  6. Step 6: Final answer
    x = 632,497.05

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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.