Home / 814,078.89-1,123,497.84-451,619.52

Finding the Fourth Proportional to 814,078.89, 1,123,497.84 and 451,619.52

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Solution

The fourth proportional to 814,078.89, 1,123,497.84 and 451,619.52 is: 623,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,078.89 : 1,123,497.84 = 451,619.52 : x
  2. Step 2: Convert to fraction form
    814,078.89/1,123,497.84 = 451,619.52/x
  3. Step 3: Cross multiply
    814,078.89x = 1,123,497.84 × 451,619.52
  4. Step 4: Simplify right side
    814,078.89x = 507,393,552,702.29
  5. Step 5: Solve for x
    x = 507,393,552,702.29/814,078.89
  6. Step 6: Final answer
    x = 623,273.20

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1.5x scale

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.