Home / 419,032.91-578,225.25-235,229.33

Finding the Fourth Proportional to 419,032.91, 578,225.25 and 235,229.33

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Solution

The fourth proportional to 419,032.91, 578,225.25 and 235,229.33 is: 324,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,032.91 : 578,225.25 = 235,229.33 : x
  2. Step 2: Convert to fraction form
    419,032.91/578,225.25 = 235,229.33/x
  3. Step 3: Cross multiply
    419,032.91x = 578,225.25 × 235,229.33
  4. Step 4: Simplify right side
    419,032.91x = 136,015,539,592.15
  5. Step 5: Solve for x
    x = 136,015,539,592.15/419,032.91
  6. Step 6: Final answer
    x = 324,593.93

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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.