Home / 543,961.02-815,916.62-189,002.82

Finding the Fourth Proportional to 543,961.02, 815,916.62 and 189,002.82

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Solution

The fourth proportional to 543,961.02, 815,916.62 and 189,002.82 is: 283,495.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,961.02 : 815,916.62 = 189,002.82 : x
  2. Step 2: Convert to fraction form
    543,961.02/815,916.62 = 189,002.82/x
  3. Step 3: Cross multiply
    543,961.02x = 815,916.62 × 189,002.82
  4. Step 4: Simplify right side
    543,961.02x = 154,210,542,537.38
  5. Step 5: Solve for x
    x = 154,210,542,537.38/543,961.02
  6. Step 6: Final answer
    x = 283,495.58

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1.5x scale

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.