Home / 831,451.52-1,147,586.75-540,556.83

Finding the Fourth Proportional to 831,451.52, 1,147,586.75 and 540,556.83

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Solution

The fourth proportional to 831,451.52, 1,147,586.75 and 540,556.83 is: 746,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,451.52 : 1,147,586.75 = 540,556.83 : x
  2. Step 2: Convert to fraction form
    831,451.52/1,147,586.75 = 540,556.83/x
  3. Step 3: Cross multiply
    831,451.52x = 1,147,586.75 × 540,556.83
  4. Step 4: Simplify right side
    831,451.52x = 620,335,855,730.00
  5. Step 5: Solve for x
    x = 620,335,855,730.00/831,451.52
  6. Step 6: Final answer
    x = 746,087.82

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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.