Home / 811,168.10-1,216,883.37-337,901.30

Finding the Fourth Proportional to 811,168.10, 1,216,883.37 and 337,901.30

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Solution

The fourth proportional to 811,168.10, 1,216,883.37 and 337,901.30 is: 506,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,168.10 : 1,216,883.37 = 337,901.30 : x
  2. Step 2: Convert to fraction form
    811,168.10/1,216,883.37 = 337,901.30/x
  3. Step 3: Cross multiply
    811,168.10x = 1,216,883.37 × 337,901.30
  4. Step 4: Simplify right side
    811,168.10x = 411,186,466,586.96
  5. Step 5: Solve for x
    x = 411,186,466,586.96/811,168.10
  6. Step 6: Final answer
    x = 506,906.61

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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.