Home / 692,168.40-1,038,252.60-218,998.80

Finding the Fourth Proportional to 692,168.40, 1,038,252.60 and 218,998.80

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Solution

The fourth proportional to 692,168.40, 1,038,252.60 and 218,998.80 is: 328,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,168.40 : 1,038,252.60 = 218,998.80 : x
  2. Step 2: Convert to fraction form
    692,168.40/1,038,252.60 = 218,998.80/x
  3. Step 3: Cross multiply
    692,168.40x = 1,038,252.60 × 218,998.80
  4. Step 4: Simplify right side
    692,168.40x = 227,376,073,496.88
  5. Step 5: Solve for x
    x = 227,376,073,496.88/692,168.40
  6. Step 6: Final answer
    x = 328,498.20

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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.