Home / 617,930.10-926,895.15-218,583.90

Finding the Fourth Proportional to 617,930.10, 926,895.15 and 218,583.90

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Solution

The fourth proportional to 617,930.10, 926,895.15 and 218,583.90 is: 327,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,930.10 : 926,895.15 = 218,583.90 : x
  2. Step 2: Convert to fraction form
    617,930.10/926,895.15 = 218,583.90/x
  3. Step 3: Cross multiply
    617,930.10x = 926,895.15 × 218,583.90
  4. Step 4: Simplify right side
    617,930.10x = 202,604,356,778.09
  5. Step 5: Solve for x
    x = 202,604,356,778.09/617,930.10
  6. Step 6: Final answer
    x = 327,875.85

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Similar ratio
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1.5x scale

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.