Home / 816,791.94-1,127,007.72-477,194.58

Finding the Fourth Proportional to 816,791.94, 1,127,007.72 and 477,194.58

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Solution

The fourth proportional to 816,791.94, 1,127,007.72 and 477,194.58 is: 658,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,791.94 : 1,127,007.72 = 477,194.58 : x
  2. Step 2: Convert to fraction form
    816,791.94/1,127,007.72 = 477,194.58/x
  3. Step 3: Cross multiply
    816,791.94x = 1,127,007.72 × 477,194.58
  4. Step 4: Simplify right side
    816,791.94x = 537,801,975,602.16
  5. Step 5: Solve for x
    x = 537,801,975,602.16/816,791.94
  6. Step 6: Final answer
    x = 658,432.03

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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.