Home / 876,157.92-1,209,070.80-494,179.20

Finding the Fourth Proportional to 876,157.92, 1,209,070.80 and 494,179.20

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Solution

The fourth proportional to 876,157.92, 1,209,070.80 and 494,179.20 is: 681,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,157.92 : 1,209,070.80 = 494,179.20 : x
  2. Step 2: Convert to fraction form
    876,157.92/1,209,070.80 = 494,179.20/x
  3. Step 3: Cross multiply
    876,157.92x = 1,209,070.80 × 494,179.20
  4. Step 4: Simplify right side
    876,157.92x = 597,497,640,687.36
  5. Step 5: Solve for x
    x = 597,497,640,687.36/876,157.92
  6. Step 6: Final answer
    x = 681,951.99

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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.