Home / 411,916.10-616,837.35-270,911.30

Finding the Fourth Proportional to 411,916.10, 616,837.35 and 270,911.30

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Solution

The fourth proportional to 411,916.10, 616,837.35 and 270,911.30 is: 405,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,916.10 : 616,837.35 = 270,911.30 : x
  2. Step 2: Convert to fraction form
    411,916.10/616,837.35 = 270,911.30/x
  3. Step 3: Cross multiply
    411,916.10x = 616,837.35 × 270,911.30
  4. Step 4: Simplify right side
    411,916.10x = 167,108,208,377.06
  5. Step 5: Solve for x
    x = 167,108,208,377.06/411,916.10
  6. Step 6: Final answer
    x = 405,685.06

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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.