Home / 876,185.60-1,209,150.06-494,219.98

Finding the Fourth Proportional to 876,185.60, 1,209,150.06 and 494,219.98

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Solution

The fourth proportional to 876,185.60, 1,209,150.06 and 494,219.98 is: 682,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,185.60 : 1,209,150.06 = 494,219.98 : x
  2. Step 2: Convert to fraction form
    876,185.60/1,209,150.06 = 494,219.98/x
  3. Step 3: Cross multiply
    876,185.60x = 1,209,150.06 × 494,219.98
  4. Step 4: Simplify right side
    876,185.60x = 597,586,118,470.20
  5. Step 5: Solve for x
    x = 597,586,118,470.20/876,185.60
  6. Step 6: Final answer
    x = 682,031.43

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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.