Home / 533,839.72-736,698.79-292,122.32

Finding the Fourth Proportional to 533,839.72, 736,698.79 and 292,122.32

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Solution

The fourth proportional to 533,839.72, 736,698.79 and 292,122.32 is: 403,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,839.72 : 736,698.79 = 292,122.32 : x
  2. Step 2: Convert to fraction form
    533,839.72/736,698.79 = 292,122.32/x
  3. Step 3: Cross multiply
    533,839.72x = 736,698.79 × 292,122.32
  4. Step 4: Simplify right side
    533,839.72x = 215,206,160,787.43
  5. Step 5: Solve for x
    x = 215,206,160,787.43/533,839.72
  6. Step 6: Final answer
    x = 403,128.79

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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.