Home / 1,220,983.88-1,684,957.75-677,202.93

Finding the Fourth Proportional to 1,220,983.88, 1,684,957.75 and 677,202.93

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Solution

The fourth proportional to 1,220,983.88, 1,684,957.75 and 677,202.93 is: 934,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,983.88 : 1,684,957.75 = 677,202.93 : x
  2. Step 2: Convert to fraction form
    1,220,983.88/1,684,957.75 = 677,202.93/x
  3. Step 3: Cross multiply
    1,220,983.88x = 1,684,957.75 × 677,202.93
  4. Step 4: Simplify right side
    1,220,983.88x = 1,141,058,323,533.20
  5. Step 5: Solve for x
    x = 1,141,058,323,533.20/1,220,983.88
  6. Step 6: Final answer
    x = 934,540.04

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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.