Home / 794,101.55-1,191,374.66-321,119.06

Finding the Fourth Proportional to 794,101.55, 1,191,374.66 and 321,119.06

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Solution

The fourth proportional to 794,101.55, 1,191,374.66 and 321,119.06 is: 481,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,101.55 : 1,191,374.66 = 321,119.06 : x
  2. Step 2: Convert to fraction form
    794,101.55/1,191,374.66 = 321,119.06/x
  3. Step 3: Cross multiply
    794,101.55x = 1,191,374.66 × 321,119.06
  4. Step 4: Simplify right side
    794,101.55x = 382,573,105,772.94
  5. Step 5: Solve for x
    x = 382,573,105,772.94/794,101.55
  6. Step 6: Final answer
    x = 481,768.49

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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.