Home / 1,109,918.56-1,664,231.70-435,209.02

Finding the Fourth Proportional to 1,109,918.56, 1,664,231.70 and 435,209.02

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Solution

The fourth proportional to 1,109,918.56, 1,664,231.70 and 435,209.02 is: 652,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,918.56 : 1,664,231.70 = 435,209.02 : x
  2. Step 2: Convert to fraction form
    1,109,918.56/1,664,231.70 = 435,209.02/x
  3. Step 3: Cross multiply
    1,109,918.56x = 1,664,231.70 × 435,209.02
  4. Step 4: Simplify right side
    1,109,918.56x = 724,288,647,209.93
  5. Step 5: Solve for x
    x = 724,288,647,209.93/1,109,918.56
  6. Step 6: Final answer
    x = 652,560.17

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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.