Home / 831,651.14-1,147,856.46-525,532.70

Finding the Fourth Proportional to 831,651.14, 1,147,856.46 and 525,532.70

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Solution

The fourth proportional to 831,651.14, 1,147,856.46 and 525,532.70 is: 725,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,651.14 : 1,147,856.46 = 525,532.70 : x
  2. Step 2: Convert to fraction form
    831,651.14/1,147,856.46 = 525,532.70/x
  3. Step 3: Cross multiply
    831,651.14x = 1,147,856.46 × 525,532.70
  4. Step 4: Simplify right side
    831,651.14x = 603,236,104,636.24
  5. Step 5: Solve for x
    x = 603,236,104,636.24/831,651.14
  6. Step 6: Final answer
    x = 725,347.54

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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.