Home / 1,621,760.75-2,238,076.55-896,655.28

Finding the Fourth Proportional to 1,621,760.75, 2,238,076.55 and 896,655.28

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Solution

The fourth proportional to 1,621,760.75, 2,238,076.55 and 896,655.28 is: 1,237,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,760.75 : 2,238,076.55 = 896,655.28 : x
  2. Step 2: Convert to fraction form
    1,621,760.75/2,238,076.55 = 896,655.28/x
  3. Step 3: Cross multiply
    1,621,760.75x = 2,238,076.55 × 896,655.28
  4. Step 4: Simplify right side
    1,621,760.75x = 2,006,783,144,411.30
  5. Step 5: Solve for x
    x = 2,006,783,144,411.30/1,621,760.75
  6. Step 6: Final answer
    x = 1,237,410.11

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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.