Home / 679,198.10-1,019,217.28-395,022.02

Finding the Fourth Proportional to 679,198.10, 1,019,217.28 and 395,022.02

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Solution

The fourth proportional to 679,198.10, 1,019,217.28 and 395,022.02 is: 592,777.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,198.10 : 1,019,217.28 = 395,022.02 : x
  2. Step 2: Convert to fraction form
    679,198.10/1,019,217.28 = 395,022.02/x
  3. Step 3: Cross multiply
    679,198.10x = 1,019,217.28 × 395,022.02
  4. Step 4: Simplify right side
    679,198.10x = 402,613,268,764.51
  5. Step 5: Solve for x
    x = 402,613,268,764.51/679,198.10
  6. Step 6: Final answer
    x = 592,777.38

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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.