Home / 383,535.36-529,279.38-213,765.84

Finding the Fourth Proportional to 383,535.36, 529,279.38 and 213,765.84

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Solution

The fourth proportional to 383,535.36, 529,279.38 and 213,765.84 is: 294,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,535.36 : 529,279.38 = 213,765.84 : x
  2. Step 2: Convert to fraction form
    383,535.36/529,279.38 = 213,765.84/x
  3. Step 3: Cross multiply
    383,535.36x = 529,279.38 × 213,765.84
  4. Step 4: Simplify right side
    383,535.36x = 113,141,851,260.38
  5. Step 5: Solve for x
    x = 113,141,851,260.38/383,535.36
  6. Step 6: Final answer
    x = 294,997.18

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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.