Home / 484,939.19-669,216.09-270,079.24

Finding the Fourth Proportional to 484,939.19, 669,216.09 and 270,079.24

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Solution

The fourth proportional to 484,939.19, 669,216.09 and 270,079.24 is: 372,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,939.19 : 669,216.09 = 270,079.24 : x
  2. Step 2: Convert to fraction form
    484,939.19/669,216.09 = 270,079.24/x
  3. Step 3: Cross multiply
    484,939.19x = 669,216.09 × 270,079.24
  4. Step 4: Simplify right side
    484,939.19x = 180,741,369,636.89
  5. Step 5: Solve for x
    x = 180,741,369,636.89/484,939.19
  6. Step 6: Final answer
    x = 372,709.35

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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.