Home / 439,127.56-659,573.10-261,980.68

Finding the Fourth Proportional to 439,127.56, 659,573.10 and 261,980.68

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Solution

The fourth proportional to 439,127.56, 659,573.10 and 261,980.68 is: 393,497.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,127.56 : 659,573.10 = 261,980.68 : x
  2. Step 2: Convert to fraction form
    439,127.56/659,573.10 = 261,980.68/x
  3. Step 3: Cross multiply
    439,127.56x = 659,573.10 × 261,980.68
  4. Step 4: Simplify right side
    439,127.56x = 172,795,409,247.71
  5. Step 5: Solve for x
    x = 172,795,409,247.71/439,127.56
  6. Step 6: Final answer
    x = 393,497.07

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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.