Home / 939,825.40-1,409,738.10-541,694.20

Finding the Fourth Proportional to 939,825.40, 1,409,738.10 and 541,694.20

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Solution

The fourth proportional to 939,825.40, 1,409,738.10 and 541,694.20 is: 812,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,825.40 : 1,409,738.10 = 541,694.20 : x
  2. Step 2: Convert to fraction form
    939,825.40/1,409,738.10 = 541,694.20/x
  3. Step 3: Cross multiply
    939,825.40x = 1,409,738.10 × 541,694.20
  4. Step 4: Simplify right side
    939,825.40x = 763,646,952,289.02
  5. Step 5: Solve for x
    x = 763,646,952,289.02/939,825.40
  6. Step 6: Final answer
    x = 812,541.30

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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.