Home / 595,136.20-821,539.29-401,805.81

Finding the Fourth Proportional to 595,136.20, 821,539.29 and 401,805.81

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Solution

The fourth proportional to 595,136.20, 821,539.29 and 401,805.81 is: 554,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,136.20 : 821,539.29 = 401,805.81 : x
  2. Step 2: Convert to fraction form
    595,136.20/821,539.29 = 401,805.81/x
  3. Step 3: Cross multiply
    595,136.20x = 821,539.29 × 401,805.81
  4. Step 4: Simplify right side
    595,136.20x = 330,099,259,865.28
  5. Step 5: Solve for x
    x = 330,099,259,865.28/595,136.20
  6. Step 6: Final answer
    x = 554,661.71

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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.