Home / 1,621,760.37-2,238,076.03-896,654.90

Finding the Fourth Proportional to 1,621,760.37, 2,238,076.03 and 896,654.90

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Solution

The fourth proportional to 1,621,760.37, 2,238,076.03 and 896,654.90 is: 1,237,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,760.37 : 2,238,076.03 = 896,654.90 : x
  2. Step 2: Convert to fraction form
    1,621,760.37/2,238,076.03 = 896,654.90/x
  3. Step 3: Cross multiply
    1,621,760.37x = 2,238,076.03 × 896,654.90
  4. Step 4: Simplify right side
    1,621,760.37x = 2,006,781,838,872.05
  5. Step 5: Solve for x
    x = 2,006,781,838,872.05/1,621,760.37
  6. Step 6: Final answer
    x = 1,237,409.59

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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.