Home / 427,114.15-589,894.14-331,475.42

Finding the Fourth Proportional to 427,114.15, 589,894.14 and 331,475.42

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Solution

The fourth proportional to 427,114.15, 589,894.14 and 331,475.42 is: 457,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,114.15 : 589,894.14 = 331,475.42 : x
  2. Step 2: Convert to fraction form
    427,114.15/589,894.14 = 331,475.42/x
  3. Step 3: Cross multiply
    427,114.15x = 589,894.14 × 331,475.42
  4. Step 4: Simplify right side
    427,114.15x = 195,535,410,529.81
  5. Step 5: Solve for x
    x = 195,535,410,529.81/427,114.15
  6. Step 6: Final answer
    x = 457,805.98

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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.