Home / 838,766.70-1,257,100.83-660,569.94

Finding the Fourth Proportional to 838,766.70, 1,257,100.83 and 660,569.94

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Solution

The fourth proportional to 838,766.70, 1,257,100.83 and 660,569.94 is: 990,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,766.70 : 1,257,100.83 = 660,569.94 : x
  2. Step 2: Convert to fraction form
    838,766.70/1,257,100.83 = 660,569.94/x
  3. Step 3: Cross multiply
    838,766.70x = 1,257,100.83 × 660,569.94
  4. Step 4: Simplify right side
    838,766.70x = 830,403,019,847.05
  5. Step 5: Solve for x
    x = 830,403,019,847.05/838,766.70
  6. Step 6: Final answer
    x = 990,028.60

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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.