Home / 1,212,530.40-1,816,171.20-650,908.80

Finding the Fourth Proportional to 1,212,530.40, 1,816,171.20 and 650,908.80

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Solution

The fourth proportional to 1,212,530.40, 1,816,171.20 and 650,908.80 is: 974,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,530.40 : 1,816,171.20 = 650,908.80 : x
  2. Step 2: Convert to fraction form
    1,212,530.40/1,816,171.20 = 650,908.80/x
  3. Step 3: Cross multiply
    1,212,530.40x = 1,816,171.20 × 650,908.80
  4. Step 4: Simplify right side
    1,212,530.40x = 1,182,161,816,386.56
  5. Step 5: Solve for x
    x = 1,182,161,816,386.56/1,212,530.40
  6. Step 6: Final answer
    x = 974,954.37

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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.