Home / 436,120.32-654,434.24-183,382.48

Finding the Fourth Proportional to 436,120.32, 654,434.24 and 183,382.48

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Solution

The fourth proportional to 436,120.32, 654,434.24 and 183,382.48 is: 275,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,120.32 : 654,434.24 = 183,382.48 : x
  2. Step 2: Convert to fraction form
    436,120.32/654,434.24 = 183,382.48/x
  3. Step 3: Cross multiply
    436,120.32x = 654,434.24 × 183,382.48
  4. Step 4: Simplify right side
    436,120.32x = 120,011,773,928.12
  5. Step 5: Solve for x
    x = 120,011,773,928.12/436,120.32
  6. Step 6: Final answer
    x = 275,180.42

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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.