Home / 816,791.95-1,127,007.72-477,194.59

Finding the Fourth Proportional to 816,791.95, 1,127,007.72 and 477,194.59

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Solution

The fourth proportional to 816,791.95, 1,127,007.72 and 477,194.59 is: 658,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,791.95 : 1,127,007.72 = 477,194.59 : x
  2. Step 2: Convert to fraction form
    816,791.95/1,127,007.72 = 477,194.59/x
  3. Step 3: Cross multiply
    816,791.95x = 1,127,007.72 × 477,194.59
  4. Step 4: Simplify right side
    816,791.95x = 537,801,986,872.24
  5. Step 5: Solve for x
    x = 537,801,986,872.24/816,791.95
  6. Step 6: Final answer
    x = 658,432.04

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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.