Home / 532,441.08-734,770.20-290,725.72

Finding the Fourth Proportional to 532,441.08, 734,770.20 and 290,725.72

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Solution

The fourth proportional to 532,441.08, 734,770.20 and 290,725.72 is: 401,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,441.08 : 734,770.20 = 290,725.72 : x
  2. Step 2: Convert to fraction form
    532,441.08/734,770.20 = 290,725.72/x
  3. Step 3: Cross multiply
    532,441.08x = 734,770.20 × 290,725.72
  4. Step 4: Simplify right side
    532,441.08x = 213,616,595,429.54
  5. Step 5: Solve for x
    x = 213,616,595,429.54/532,441.08
  6. Step 6: Final answer
    x = 401,202.32

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.