Home / 411,673.60-568,136.96-230,401.28

Finding the Fourth Proportional to 411,673.60, 568,136.96 and 230,401.28

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Solution

The fourth proportional to 411,673.60, 568,136.96 and 230,401.28 is: 317,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,673.60 : 568,136.96 = 230,401.28 : x
  2. Step 2: Convert to fraction form
    411,673.60/568,136.96 = 230,401.28/x
  3. Step 3: Cross multiply
    411,673.60x = 568,136.96 × 230,401.28
  4. Step 4: Simplify right side
    411,673.60x = 130,899,482,799.31
  5. Step 5: Solve for x
    x = 130,899,482,799.31/411,673.60
  6. Step 6: Final answer
    x = 317,969.10

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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.