Home / 536,623.98-740,640.85-307,181.27

Finding the Fourth Proportional to 536,623.98, 740,640.85 and 307,181.27

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Solution

The fourth proportional to 536,623.98, 740,640.85 and 307,181.27 is: 423,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,623.98 : 740,640.85 = 307,181.27 : x
  2. Step 2: Convert to fraction form
    536,623.98/740,640.85 = 307,181.27/x
  3. Step 3: Cross multiply
    536,623.98x = 740,640.85 × 307,181.27
  4. Step 4: Simplify right side
    536,623.98x = 227,510,996,916.88
  5. Step 5: Solve for x
    x = 227,510,996,916.88/536,623.98
  6. Step 6: Final answer
    x = 423,967.26

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1.5x scale

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.