Home / 538,535.04-743,174.67-296,817.78

Finding the Fourth Proportional to 538,535.04, 743,174.67 and 296,817.78

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Solution

The fourth proportional to 538,535.04, 743,174.67 and 296,817.78 is: 409,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,535.04 : 743,174.67 = 296,817.78 : x
  2. Step 2: Convert to fraction form
    538,535.04/743,174.67 = 296,817.78/x
  3. Step 3: Cross multiply
    538,535.04x = 743,174.67 × 296,817.78
  4. Step 4: Simplify right side
    538,535.04x = 220,587,455,701.63
  5. Step 5: Solve for x
    x = 220,587,455,701.63/538,535.04
  6. Step 6: Final answer
    x = 409,606.51

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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.