Home / 383,441.29-529,152.70-211,365.96

Finding the Fourth Proportional to 383,441.29, 529,152.70 and 211,365.96

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Solution

The fourth proportional to 383,441.29, 529,152.70 and 211,365.96 is: 291,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,441.29 : 529,152.70 = 211,365.96 : x
  2. Step 2: Convert to fraction form
    383,441.29/529,152.70 = 211,365.96/x
  3. Step 3: Cross multiply
    383,441.29x = 529,152.70 × 211,365.96
  4. Step 4: Simplify right side
    383,441.29x = 111,844,866,305.67
  5. Step 5: Solve for x
    x = 111,844,866,305.67/383,441.29
  6. Step 6: Final answer
    x = 291,687.07

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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.