Home / 439,725.66-659,533.05-187,107.18

Finding the Fourth Proportional to 439,725.66, 659,533.05 and 187,107.18

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Solution

The fourth proportional to 439,725.66, 659,533.05 and 187,107.18 is: 280,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,725.66 : 659,533.05 = 187,107.18 : x
  2. Step 2: Convert to fraction form
    439,725.66/659,533.05 = 187,107.18/x
  3. Step 3: Cross multiply
    439,725.66x = 659,533.05 × 187,107.18
  4. Step 4: Simplify right side
    439,725.66x = 123,403,369,102.30
  5. Step 5: Solve for x
    x = 123,403,369,102.30/439,725.66
  6. Step 6: Final answer
    x = 280,637.18

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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.