Home / 439,288.64-658,461.39-186,355.71

Finding the Fourth Proportional to 439,288.64, 658,461.39 and 186,355.71

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Solution

The fourth proportional to 439,288.64, 658,461.39 and 186,355.71 is: 279,333.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,288.64 : 658,461.39 = 186,355.71 : x
  2. Step 2: Convert to fraction form
    439,288.64/658,461.39 = 186,355.71/x
  3. Step 3: Cross multiply
    439,288.64x = 658,461.39 × 186,355.71
  4. Step 4: Simplify right side
    439,288.64x = 122,708,039,142.20
  5. Step 5: Solve for x
    x = 122,708,039,142.20/439,288.64
  6. Step 6: Final answer
    x = 279,333.51

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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.