Home / 403,933.79-557,432.34-222,652.67

Finding the Fourth Proportional to 403,933.79, 557,432.34 and 222,652.67

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Solution

The fourth proportional to 403,933.79, 557,432.34 and 222,652.67 is: 307,262.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,933.79 : 557,432.34 = 222,652.67 : x
  2. Step 2: Convert to fraction form
    403,933.79/557,432.34 = 222,652.67/x
  3. Step 3: Cross multiply
    403,933.79x = 557,432.34 × 222,652.67
  4. Step 4: Simplify right side
    403,933.79x = 124,113,798,845.35
  5. Step 5: Solve for x
    x = 124,113,798,845.35/403,933.79
  6. Step 6: Final answer
    x = 307,262.73

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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.