Home / 383,840.16-529,528.25-222,601.76

Finding the Fourth Proportional to 383,840.16, 529,528.25 and 222,601.76

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Solution

The fourth proportional to 383,840.16, 529,528.25 and 222,601.76 is: 307,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,840.16 : 529,528.25 = 222,601.76 : x
  2. Step 2: Convert to fraction form
    383,840.16/529,528.25 = 222,601.76/x
  3. Step 3: Cross multiply
    383,840.16x = 529,528.25 × 222,601.76
  4. Step 4: Simplify right side
    383,840.16x = 117,873,920,314.31
  5. Step 5: Solve for x
    x = 117,873,920,314.31/383,840.16
  6. Step 6: Final answer
    x = 307,091.16

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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.