Home / 510,444.43-766,140.30-257,902.33

Finding the Fourth Proportional to 510,444.43, 766,140.30 and 257,902.33

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Solution

The fourth proportional to 510,444.43, 766,140.30 and 257,902.33 is: 387,092.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,444.43 : 766,140.30 = 257,902.33 : x
  2. Step 2: Convert to fraction form
    510,444.43/766,140.30 = 257,902.33/x
  3. Step 3: Cross multiply
    510,444.43x = 766,140.30 × 257,902.33
  4. Step 4: Simplify right side
    510,444.43x = 197,589,368,476.90
  5. Step 5: Solve for x
    x = 197,589,368,476.90/510,444.43
  6. Step 6: Final answer
    x = 387,092.81

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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.