Home / 831,137.87-1,246,777.52-262,366.80

Finding the Fourth Proportional to 831,137.87, 1,246,777.52 and 262,366.80

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Solution

The fourth proportional to 831,137.87, 1,246,777.52 and 262,366.80 is: 393,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,137.87 : 1,246,777.52 = 262,366.80 : x
  2. Step 2: Convert to fraction form
    831,137.87/1,246,777.52 = 262,366.80/x
  3. Step 3: Cross multiply
    831,137.87x = 1,246,777.52 × 262,366.80
  4. Step 4: Simplify right side
    831,137.87x = 327,113,026,922.50
  5. Step 5: Solve for x
    x = 327,113,026,922.50/831,137.87
  6. Step 6: Final answer
    x = 393,572.52

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Double scale
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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.