Home / 467,904.30-645,709.87-253,044.36

Finding the Fourth Proportional to 467,904.30, 645,709.87 and 253,044.36

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Solution

The fourth proportional to 467,904.30, 645,709.87 and 253,044.36 is: 349,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,904.30 : 645,709.87 = 253,044.36 : x
  2. Step 2: Convert to fraction form
    467,904.30/645,709.87 = 253,044.36/x
  3. Step 3: Cross multiply
    467,904.30x = 645,709.87 × 253,044.36
  4. Step 4: Simplify right side
    467,904.30x = 163,393,240,799.83
  5. Step 5: Solve for x
    x = 163,393,240,799.83/467,904.30
  6. Step 6: Final answer
    x = 349,202.26

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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.