Home / 781,718.04-1,172,749.19-444,917.21

Finding the Fourth Proportional to 781,718.04, 1,172,749.19 and 444,917.21

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Solution

The fourth proportional to 781,718.04, 1,172,749.19 and 444,917.21 is: 667,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,718.04 : 1,172,749.19 = 444,917.21 : x
  2. Step 2: Convert to fraction form
    781,718.04/1,172,749.19 = 444,917.21/x
  3. Step 3: Cross multiply
    781,718.04x = 1,172,749.19 × 444,917.21
  4. Step 4: Simplify right side
    781,718.04x = 521,776,289,556.23
  5. Step 5: Solve for x
    x = 521,776,289,556.23/781,718.04
  6. Step 6: Final answer
    x = 667,473.77

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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.