Home / 505,973.03-698,340.24-324,913.73

Finding the Fourth Proportional to 505,973.03, 698,340.24 and 324,913.73

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Solution

The fourth proportional to 505,973.03, 698,340.24 and 324,913.73 is: 448,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,973.03 : 698,340.24 = 324,913.73 : x
  2. Step 2: Convert to fraction form
    505,973.03/698,340.24 = 324,913.73/x
  3. Step 3: Cross multiply
    505,973.03x = 698,340.24 × 324,913.73
  4. Step 4: Simplify right side
    505,973.03x = 226,900,328,695.79
  5. Step 5: Solve for x
    x = 226,900,328,695.79/505,973.03
  6. Step 6: Final answer
    x = 448,443.53

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Double scale
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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.