Home / 939,777.60-1,296,860.16-510,049.12

Finding the Fourth Proportional to 939,777.60, 1,296,860.16 and 510,049.12

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Solution

The fourth proportional to 939,777.60, 1,296,860.16 and 510,049.12 is: 703,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,777.60 : 1,296,860.16 = 510,049.12 : x
  2. Step 2: Convert to fraction form
    939,777.60/1,296,860.16 = 510,049.12/x
  3. Step 3: Cross multiply
    939,777.60x = 1,296,860.16 × 510,049.12
  4. Step 4: Simplify right side
    939,777.60x = 661,462,383,371.06
  5. Step 5: Solve for x
    x = 661,462,383,371.06/939,777.60
  6. Step 6: Final answer
    x = 703,849.91

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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.