Home / 764,120.48-1,146,219.90-195,506.39

Finding the Fourth Proportional to 764,120.48, 1,146,219.90 and 195,506.39

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Solution

The fourth proportional to 764,120.48, 1,146,219.90 and 195,506.39 is: 293,269.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,120.48 : 1,146,219.90 = 195,506.39 : x
  2. Step 2: Convert to fraction form
    764,120.48/1,146,219.90 = 195,506.39/x
  3. Step 3: Cross multiply
    764,120.48x = 1,146,219.90 × 195,506.39
  4. Step 4: Simplify right side
    764,120.48x = 224,093,316,927.56
  5. Step 5: Solve for x
    x = 224,093,316,927.56/764,120.48
  6. Step 6: Final answer
    x = 293,269.61

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1.5x scale

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.