Home / 277,895.04-418,573.68-258,429.12

Finding the Fourth Proportional to 277,895.04, 418,573.68 and 258,429.12

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Solution

The fourth proportional to 277,895.04, 418,573.68 and 258,429.12 is: 389,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,895.04 : 418,573.68 = 258,429.12 : x
  2. Step 2: Convert to fraction form
    277,895.04/418,573.68 = 258,429.12/x
  3. Step 3: Cross multiply
    277,895.04x = 418,573.68 × 258,429.12
  4. Step 4: Simplify right side
    277,895.04x = 108,171,627,777.56
  5. Step 5: Solve for x
    x = 108,171,627,777.56/277,895.04
  6. Step 6: Final answer
    x = 389,253.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.