Home / 1,356,520.60-1,872,086.94-783,584.92

Finding the Fourth Proportional to 1,356,520.60, 1,872,086.94 and 783,584.92

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Solution

The fourth proportional to 1,356,520.60, 1,872,086.94 and 783,584.92 is: 1,081,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,520.60 : 1,872,086.94 = 783,584.92 : x
  2. Step 2: Convert to fraction form
    1,356,520.60/1,872,086.94 = 783,584.92/x
  3. Step 3: Cross multiply
    1,356,520.60x = 1,872,086.94 × 783,584.92
  4. Step 4: Simplify right side
    1,356,520.60x = 1,466,939,095,112.94
  5. Step 5: Solve for x
    x = 1,466,939,095,112.94/1,356,520.60
  6. Step 6: Final answer
    x = 1,081,398.32

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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.