Home / 1,281,926.70-1,921,687.20-483,744.60

Finding the Fourth Proportional to 1,281,926.70, 1,921,687.20 and 483,744.60

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Solution

The fourth proportional to 1,281,926.70, 1,921,687.20 and 483,744.60 is: 725,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,926.70 : 1,921,687.20 = 483,744.60 : x
  2. Step 2: Convert to fraction form
    1,281,926.70/1,921,687.20 = 483,744.60/x
  3. Step 3: Cross multiply
    1,281,926.70x = 1,921,687.20 × 483,744.60
  4. Step 4: Simplify right side
    1,281,926.70x = 929,605,805,889.12
  5. Step 5: Solve for x
    x = 929,605,805,889.12/1,281,926.70
  6. Step 6: Final answer
    x = 725,163.00

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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.