Home / 1,281,932.70-1,921,696.20-483,750.60

Finding the Fourth Proportional to 1,281,932.70, 1,921,696.20 and 483,750.60

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Solution

The fourth proportional to 1,281,932.70, 1,921,696.20 and 483,750.60 is: 725,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,932.70 : 1,921,696.20 = 483,750.60 : x
  2. Step 2: Convert to fraction form
    1,281,932.70/1,921,696.20 = 483,750.60/x
  3. Step 3: Cross multiply
    1,281,932.70x = 1,921,696.20 × 483,750.60
  4. Step 4: Simplify right side
    1,281,932.70x = 929,621,689,767.72
  5. Step 5: Solve for x
    x = 929,621,689,767.72/1,281,932.70
  6. Step 6: Final answer
    x = 725,171.99

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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.