Home / 767,516.11-1,059,163.71-423,366.54

Finding the Fourth Proportional to 767,516.11, 1,059,163.71 and 423,366.54

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Solution

The fourth proportional to 767,516.11, 1,059,163.71 and 423,366.54 is: 584,241.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,516.11 : 1,059,163.71 = 423,366.54 : x
  2. Step 2: Convert to fraction form
    767,516.11/1,059,163.71 = 423,366.54/x
  3. Step 3: Cross multiply
    767,516.11x = 1,059,163.71 × 423,366.54
  4. Step 4: Simplify right side
    767,516.11x = 448,414,477,976.01
  5. Step 5: Solve for x
    x = 448,414,477,976.01/767,516.11
  6. Step 6: Final answer
    x = 584,241.13

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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.