Home / 1,623,243.05-2,240,141.34-898,078.95

Finding the Fourth Proportional to 1,623,243.05, 2,240,141.34 and 898,078.95

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Solution

The fourth proportional to 1,623,243.05, 2,240,141.34 and 898,078.95 is: 1,239,385.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,243.05 : 2,240,141.34 = 898,078.95 : x
  2. Step 2: Convert to fraction form
    1,623,243.05/2,240,141.34 = 898,078.95/x
  3. Step 3: Cross multiply
    1,623,243.05x = 2,240,141.34 × 898,078.95
  4. Step 4: Simplify right side
    1,623,243.05x = 2,011,823,782,478.79
  5. Step 5: Solve for x
    x = 2,011,823,782,478.79/1,623,243.05
  6. Step 6: Final answer
    x = 1,239,385.43

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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.