Home / 683,998.80-1,025,998.20-634,232.40

Finding the Fourth Proportional to 683,998.80, 1,025,998.20 and 634,232.40

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Solution

The fourth proportional to 683,998.80, 1,025,998.20 and 634,232.40 is: 951,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,998.80 : 1,025,998.20 = 634,232.40 : x
  2. Step 2: Convert to fraction form
    683,998.80/1,025,998.20 = 634,232.40/x
  3. Step 3: Cross multiply
    683,998.80x = 1,025,998.20 × 634,232.40
  4. Step 4: Simplify right side
    683,998.80x = 650,721,300,781.68
  5. Step 5: Solve for x
    x = 650,721,300,781.68/683,998.80
  6. Step 6: Final answer
    x = 951,348.60

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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.