Home / 831,450.52-1,147,585.37-540,555.83

Finding the Fourth Proportional to 831,450.52, 1,147,585.37 and 540,555.83

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Solution

The fourth proportional to 831,450.52, 1,147,585.37 and 540,555.83 is: 746,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,450.52 : 1,147,585.37 = 540,555.83 : x
  2. Step 2: Convert to fraction form
    831,450.52/1,147,585.37 = 540,555.83/x
  3. Step 3: Cross multiply
    831,450.52x = 1,147,585.37 × 540,555.83
  4. Step 4: Simplify right side
    831,450.52x = 620,333,961,079.57
  5. Step 5: Solve for x
    x = 620,333,961,079.57/831,450.52
  6. Step 6: Final answer
    x = 746,086.44

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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.