Home / 543,621.29-750,176.81-301,919.43

Finding the Fourth Proportional to 543,621.29, 750,176.81 and 301,919.43

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Solution

The fourth proportional to 543,621.29, 750,176.81 and 301,919.43 is: 416,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,621.29 : 750,176.81 = 301,919.43 : x
  2. Step 2: Convert to fraction form
    543,621.29/750,176.81 = 301,919.43/x
  3. Step 3: Cross multiply
    543,621.29x = 750,176.81 × 301,919.43
  4. Step 4: Simplify right side
    543,621.29x = 226,492,954,874.42
  5. Step 5: Solve for x
    x = 226,492,954,874.42/543,621.29
  6. Step 6: Final answer
    x = 416,637.39

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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.