Home / 831,558.76-1,147,551.06-449,585.44

Finding the Fourth Proportional to 831,558.76, 1,147,551.06 and 449,585.44

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Solution

The fourth proportional to 831,558.76, 1,147,551.06 and 449,585.44 is: 620,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,558.76 : 1,147,551.06 = 449,585.44 : x
  2. Step 2: Convert to fraction form
    831,558.76/1,147,551.06 = 449,585.44/x
  3. Step 3: Cross multiply
    831,558.76x = 1,147,551.06 × 449,585.44
  4. Step 4: Simplify right side
    831,558.76x = 515,922,248,232.57
  5. Step 5: Solve for x
    x = 515,922,248,232.57/831,558.76
  6. Step 6: Final answer
    x = 620,427.89

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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.