Home / 746,694.54-1,030,438.12-407,162.79

Finding the Fourth Proportional to 746,694.54, 1,030,438.12 and 407,162.79

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Solution

The fourth proportional to 746,694.54, 1,030,438.12 and 407,162.79 is: 561,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,694.54 : 1,030,438.12 = 407,162.79 : x
  2. Step 2: Convert to fraction form
    746,694.54/1,030,438.12 = 407,162.79/x
  3. Step 3: Cross multiply
    746,694.54x = 1,030,438.12 × 407,162.79
  4. Step 4: Simplify right side
    746,694.54x = 419,556,059,861.56
  5. Step 5: Solve for x
    x = 419,556,059,861.56/746,694.54
  6. Step 6: Final answer
    x = 561,884.46

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Double scale
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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.