Home / 1,204,895.28-1,806,194.28-405,765.60

Finding the Fourth Proportional to 1,204,895.28, 1,806,194.28 and 405,765.60

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Solution

The fourth proportional to 1,204,895.28, 1,806,194.28 and 405,765.60 is: 608,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,895.28 : 1,806,194.28 = 405,765.60 : x
  2. Step 2: Convert to fraction form
    1,204,895.28/1,806,194.28 = 405,765.60/x
  3. Step 3: Cross multiply
    1,204,895.28x = 1,806,194.28 × 405,765.60
  4. Step 4: Simplify right side
    1,204,895.28x = 732,891,505,740.77
  5. Step 5: Solve for x
    x = 732,891,505,740.77/1,204,895.28
  6. Step 6: Final answer
    x = 608,261.58

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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.