Home / 1,220,984.88-1,684,959.13-677,203.93

Finding the Fourth Proportional to 1,220,984.88, 1,684,959.13 and 677,203.93

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Solution

The fourth proportional to 1,220,984.88, 1,684,959.13 and 677,203.93 is: 934,541.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,984.88 : 1,684,959.13 = 677,203.93 : x
  2. Step 2: Convert to fraction form
    1,220,984.88/1,684,959.13 = 677,203.93/x
  3. Step 3: Cross multiply
    1,220,984.88x = 1,684,959.13 × 677,203.93
  4. Step 4: Simplify right side
    1,220,984.88x = 1,141,060,944,725.38
  5. Step 5: Solve for x
    x = 1,141,060,944,725.38/1,220,984.88
  6. Step 6: Final answer
    x = 934,541.42

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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.