Home / 1,623,240.20-2,240,137.42-898,076.11

Finding the Fourth Proportional to 1,623,240.20, 2,240,137.42 and 898,076.11

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Solution

The fourth proportional to 1,623,240.20, 2,240,137.42 and 898,076.11 is: 1,239,381.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,240.20 : 2,240,137.42 = 898,076.11 : x
  2. Step 2: Convert to fraction form
    1,623,240.20/2,240,137.42 = 898,076.11/x
  3. Step 3: Cross multiply
    1,623,240.20x = 2,240,137.42 × 898,076.11
  4. Step 4: Simplify right side
    1,623,240.20x = 2,011,813,896,373.76
  5. Step 5: Solve for x
    x = 2,011,813,896,373.76/1,623,240.20
  6. Step 6: Final answer
    x = 1,239,381.51

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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.