Home / 383,365.08-529,045.94-222,315.72

Finding the Fourth Proportional to 383,365.08, 529,045.94 and 222,315.72

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Solution

The fourth proportional to 383,365.08, 529,045.94 and 222,315.72 is: 306,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,365.08 : 529,045.94 = 222,315.72 : x
  2. Step 2: Convert to fraction form
    383,365.08/529,045.94 = 222,315.72/x
  3. Step 3: Cross multiply
    383,365.08x = 529,045.94 × 222,315.72
  4. Step 4: Simplify right side
    383,365.08x = 117,615,229,064.18
  5. Step 5: Solve for x
    x = 117,615,229,064.18/383,365.08
  6. Step 6: Final answer
    x = 306,796.93

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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.