Home / 806,874.60-1,113,442.87-444,229.60

Finding the Fourth Proportional to 806,874.60, 1,113,442.87 and 444,229.60

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Solution

The fourth proportional to 806,874.60, 1,113,442.87 and 444,229.60 is: 613,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,874.60 : 1,113,442.87 = 444,229.60 : x
  2. Step 2: Convert to fraction form
    806,874.60/1,113,442.87 = 444,229.60/x
  3. Step 3: Cross multiply
    806,874.60x = 1,113,442.87 × 444,229.60
  4. Step 4: Simplify right side
    806,874.60x = 494,624,280,762.95
  5. Step 5: Solve for x
    x = 494,624,280,762.95/806,874.60
  6. Step 6: Final answer
    x = 613,012.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.