Home / 427,178.88-589,500.38-233,587.21

Finding the Fourth Proportional to 427,178.88, 589,500.38 and 233,587.21

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Solution

The fourth proportional to 427,178.88, 589,500.38 and 233,587.21 is: 322,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,178.88 : 589,500.38 = 233,587.21 : x
  2. Step 2: Convert to fraction form
    427,178.88/589,500.38 = 233,587.21/x
  3. Step 3: Cross multiply
    427,178.88x = 589,500.38 × 233,587.21
  4. Step 4: Simplify right side
    427,178.88x = 137,699,749,058.14
  5. Step 5: Solve for x
    x = 137,699,749,058.14/427,178.88
  6. Step 6: Final answer
    x = 322,346.81

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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.