Home / 617,928.59-926,895.96-218,569.73

Finding the Fourth Proportional to 617,928.59, 926,895.96 and 218,569.73

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Solution

The fourth proportional to 617,928.59, 926,895.96 and 218,569.73 is: 327,855.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,928.59 : 926,895.96 = 218,569.73 : x
  2. Step 2: Convert to fraction form
    617,928.59/926,895.96 = 218,569.73/x
  3. Step 3: Cross multiply
    617,928.59x = 926,895.96 × 218,569.73
  4. Step 4: Simplify right side
    617,928.59x = 202,591,395,080.81
  5. Step 5: Solve for x
    x = 202,591,395,080.81/617,928.59
  6. Step 6: Final answer
    x = 327,855.68

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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.