Home / 605,231.10-907,933.05-205,890.30

Finding the Fourth Proportional to 605,231.10, 907,933.05 and 205,890.30

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Solution

The fourth proportional to 605,231.10, 907,933.05 and 205,890.30 is: 308,864.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,231.10 : 907,933.05 = 205,890.30 : x
  2. Step 2: Convert to fraction form
    605,231.10/907,933.05 = 205,890.30/x
  3. Step 3: Cross multiply
    605,231.10x = 907,933.05 × 205,890.30
  4. Step 4: Simplify right side
    605,231.10x = 186,934,608,044.42
  5. Step 5: Solve for x
    x = 186,934,608,044.42/605,231.10
  6. Step 6: Final answer
    x = 308,864.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.