Home / 478,324.24-660,087.38-263,464.30

Finding the Fourth Proportional to 478,324.24, 660,087.38 and 263,464.30

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Solution

The fourth proportional to 478,324.24, 660,087.38 and 263,464.30 is: 363,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,324.24 : 660,087.38 = 263,464.30 : x
  2. Step 2: Convert to fraction form
    478,324.24/660,087.38 = 263,464.30/x
  3. Step 3: Cross multiply
    478,324.24x = 660,087.38 × 263,464.30
  4. Step 4: Simplify right side
    478,324.24x = 173,909,455,799.33
  5. Step 5: Solve for x
    x = 173,909,455,799.33/478,324.24
  6. Step 6: Final answer
    x = 363,580.69

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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.