Home / 386,337.06-533,296.17-295,687.62

Finding the Fourth Proportional to 386,337.06, 533,296.17 and 295,687.62

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Solution

The fourth proportional to 386,337.06, 533,296.17 and 295,687.62 is: 408,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,337.06 : 533,296.17 = 295,687.62 : x
  2. Step 2: Convert to fraction form
    386,337.06/533,296.17 = 295,687.62/x
  3. Step 3: Cross multiply
    386,337.06x = 533,296.17 × 295,687.62
  4. Step 4: Simplify right side
    386,337.06x = 157,689,075,262.42
  5. Step 5: Solve for x
    x = 157,689,075,262.42/386,337.06
  6. Step 6: Final answer
    x = 408,164.51

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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.