Home / 891,997.54-1,230,957.21-484,099.30

Finding the Fourth Proportional to 891,997.54, 1,230,957.21 and 484,099.30

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Solution

The fourth proportional to 891,997.54, 1,230,957.21 and 484,099.30 is: 668,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,997.54 : 1,230,957.21 = 484,099.30 : x
  2. Step 2: Convert to fraction form
    891,997.54/1,230,957.21 = 484,099.30/x
  3. Step 3: Cross multiply
    891,997.54x = 1,230,957.21 × 484,099.30
  4. Step 4: Simplify right side
    891,997.54x = 595,905,523,690.95
  5. Step 5: Solve for x
    x = 595,905,523,690.95/891,997.54
  6. Step 6: Final answer
    x = 668,057.36

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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.