Home / 467,930.27-645,743.78-253,070.34

Finding the Fourth Proportional to 467,930.27, 645,743.78 and 253,070.34

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Solution

The fourth proportional to 467,930.27, 645,743.78 and 253,070.34 is: 349,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,930.27 : 645,743.78 = 253,070.34 : x
  2. Step 2: Convert to fraction form
    467,930.27/645,743.78 = 253,070.34/x
  3. Step 3: Cross multiply
    467,930.27x = 645,743.78 × 253,070.34
  4. Step 4: Simplify right side
    467,930.27x = 163,418,595,593.86
  5. Step 5: Solve for x
    x = 163,418,595,593.86/467,930.27
  6. Step 6: Final answer
    x = 349,237.07

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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.