Home / 427,380.18-589,795.88-236,396.76

Finding the Fourth Proportional to 427,380.18, 589,795.88 and 236,396.76

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Solution

The fourth proportional to 427,380.18, 589,795.88 and 236,396.76 is: 326,233.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,380.18 : 589,795.88 = 236,396.76 : x
  2. Step 2: Convert to fraction form
    427,380.18/589,795.88 = 236,396.76/x
  3. Step 3: Cross multiply
    427,380.18x = 589,795.88 × 236,396.76
  4. Step 4: Simplify right side
    427,380.18x = 139,425,833,911.37
  5. Step 5: Solve for x
    x = 139,425,833,911.37/427,380.18
  6. Step 6: Final answer
    x = 326,233.74

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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.