Home / 903,442.25-1,353,356.60-543,414.32

Finding the Fourth Proportional to 903,442.25, 1,353,356.60 and 543,414.32

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Solution

The fourth proportional to 903,442.25, 1,353,356.60 and 543,414.32 is: 814,034.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,442.25 : 1,353,356.60 = 543,414.32 : x
  2. Step 2: Convert to fraction form
    903,442.25/1,353,356.60 = 543,414.32/x
  3. Step 3: Cross multiply
    903,442.25x = 1,353,356.60 × 543,414.32
  4. Step 4: Simplify right side
    903,442.25x = 735,433,347,022.66
  5. Step 5: Solve for x
    x = 735,433,347,022.66/903,442.25
  6. Step 6: Final answer
    x = 814,034.71

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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.