Home / 816,791.52-1,127,007.12-477,194.16

Finding the Fourth Proportional to 816,791.52, 1,127,007.12 and 477,194.16

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Solution

The fourth proportional to 816,791.52, 1,127,007.12 and 477,194.16 is: 658,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,791.52 : 1,127,007.12 = 477,194.16 : x
  2. Step 2: Convert to fraction form
    816,791.52/1,127,007.12 = 477,194.16/x
  3. Step 3: Cross multiply
    816,791.52x = 1,127,007.12 × 477,194.16
  4. Step 4: Simplify right side
    816,791.52x = 537,801,215,942.42
  5. Step 5: Solve for x
    x = 537,801,215,942.42/816,791.52
  6. Step 6: Final answer
    x = 658,431.44

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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.