Home / 671,635.61-1,007,586.36-191,867.55

Finding the Fourth Proportional to 671,635.61, 1,007,586.36 and 191,867.55

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Solution

The fourth proportional to 671,635.61, 1,007,586.36 and 191,867.55 is: 287,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,635.61 : 1,007,586.36 = 191,867.55 : x
  2. Step 2: Convert to fraction form
    671,635.61/1,007,586.36 = 191,867.55/x
  3. Step 3: Cross multiply
    671,635.61x = 1,007,586.36 × 191,867.55
  4. Step 4: Simplify right side
    671,635.61x = 193,323,126,306.62
  5. Step 5: Solve for x
    x = 193,323,126,306.62/671,635.61
  6. Step 6: Final answer
    x = 287,839.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.