Home / 631,170.87-946,849.74-231,780.50

Finding the Fourth Proportional to 631,170.87, 946,849.74 and 231,780.50

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Solution

The fourth proportional to 631,170.87, 946,849.74 and 231,780.50 is: 347,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,170.87 : 946,849.74 = 231,780.50 : x
  2. Step 2: Convert to fraction form
    631,170.87/946,849.74 = 231,780.50/x
  3. Step 3: Cross multiply
    631,170.87x = 946,849.74 × 231,780.50
  4. Step 4: Simplify right side
    631,170.87x = 219,461,309,435.36
  5. Step 5: Solve for x
    x = 219,461,309,435.36/631,170.87
  6. Step 6: Final answer
    x = 347,705.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.