Home / 468,214.20-646,134.30-253,357.92

Finding the Fourth Proportional to 468,214.20, 646,134.30 and 253,357.92

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Solution

The fourth proportional to 468,214.20, 646,134.30 and 253,357.92 is: 349,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,214.20 : 646,134.30 = 253,357.92 : x
  2. Step 2: Convert to fraction form
    468,214.20/646,134.30 = 253,357.92/x
  3. Step 3: Cross multiply
    468,214.20x = 646,134.30 × 253,357.92
  4. Step 4: Simplify right side
    468,214.20x = 163,703,242,288.66
  5. Step 5: Solve for x
    x = 163,703,242,288.66/468,214.20
  6. Step 6: Final answer
    x = 349,633.23

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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.