Home / 363,621.90-501,813-202,466.73

Finding the Fourth Proportional to 363,621.90, 501,813 and 202,466.73

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Solution

The fourth proportional to 363,621.90, 501,813 and 202,466.73 is: 279,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,621.90 : 501,813 = 202,466.73 : x
  2. Step 2: Convert to fraction form
    363,621.90/501,813 = 202,466.73/x
  3. Step 3: Cross multiply
    363,621.90x = 501,813 × 202,466.73
  4. Step 4: Simplify right side
    363,621.90x = 101,600,437,181.49
  5. Step 5: Solve for x
    x = 101,600,437,181.49/363,621.90
  6. Step 6: Final answer
    x = 279,412.32

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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.