Home / 737,310.81-1,105,965.75-421,546.32

Finding the Fourth Proportional to 737,310.81, 1,105,965.75 and 421,546.32

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Solution

The fourth proportional to 737,310.81, 1,105,965.75 and 421,546.32 is: 632,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,310.81 : 1,105,965.75 = 421,546.32 : x
  2. Step 2: Convert to fraction form
    737,310.81/1,105,965.75 = 421,546.32/x
  3. Step 3: Cross multiply
    737,310.81x = 1,105,965.75 × 421,546.32
  4. Step 4: Simplify right side
    737,310.81x = 466,215,791,958.54
  5. Step 5: Solve for x
    x = 466,215,791,958.54/737,310.81
  6. Step 6: Final answer
    x = 632,319.21

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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.