Home / 467,864.25-645,652.67-253,004.33

Finding the Fourth Proportional to 467,864.25, 645,652.67 and 253,004.33

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Solution

The fourth proportional to 467,864.25, 645,652.67 and 253,004.33 is: 349,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,864.25 : 645,652.67 = 253,004.33 : x
  2. Step 2: Convert to fraction form
    467,864.25/645,652.67 = 253,004.33/x
  3. Step 3: Cross multiply
    467,864.25x = 645,652.67 × 253,004.33
  4. Step 4: Simplify right side
    467,864.25x = 163,352,916,692.78
  5. Step 5: Solve for x
    x = 163,352,916,692.78/467,864.25
  6. Step 6: Final answer
    x = 349,145.97

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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.