Home / 683,999.80-1,025,999.70-634,233.40

Finding the Fourth Proportional to 683,999.80, 1,025,999.70 and 634,233.40

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Solution

The fourth proportional to 683,999.80, 1,025,999.70 and 634,233.40 is: 951,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,999.80 : 1,025,999.70 = 634,233.40 : x
  2. Step 2: Convert to fraction form
    683,999.80/1,025,999.70 = 634,233.40/x
  3. Step 3: Cross multiply
    683,999.80x = 1,025,999.70 × 634,233.40
  4. Step 4: Simplify right side
    683,999.80x = 650,723,278,129.98
  5. Step 5: Solve for x
    x = 650,723,278,129.98/683,999.80
  6. Step 6: Final answer
    x = 951,350.10

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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.