Home / 932,361.36-1,398,403.63-258,372.38

Finding the Fourth Proportional to 932,361.36, 1,398,403.63 and 258,372.38

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Solution

The fourth proportional to 932,361.36, 1,398,403.63 and 258,372.38 is: 387,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,361.36 : 1,398,403.63 = 258,372.38 : x
  2. Step 2: Convert to fraction form
    932,361.36/1,398,403.63 = 258,372.38/x
  3. Step 3: Cross multiply
    932,361.36x = 1,398,403.63 × 258,372.38
  4. Step 4: Simplify right side
    932,361.36x = 361,308,876,933.82
  5. Step 5: Solve for x
    x = 361,308,876,933.82/932,361.36
  6. Step 6: Final answer
    x = 387,520.22

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1.5x scale

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.