Home / 411,860.83-568,435.97-282,693.19

Finding the Fourth Proportional to 411,860.83, 568,435.97 and 282,693.19

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Solution

The fourth proportional to 411,860.83, 568,435.97 and 282,693.19 is: 390,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,860.83 : 568,435.97 = 282,693.19 : x
  2. Step 2: Convert to fraction form
    411,860.83/568,435.97 = 282,693.19/x
  3. Step 3: Cross multiply
    411,860.83x = 568,435.97 × 282,693.19
  4. Step 4: Simplify right side
    411,860.83x = 160,692,977,670.04
  5. Step 5: Solve for x
    x = 160,692,977,670.04/411,860.83
  6. Step 6: Final answer
    x = 390,163.29

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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.