Home / 1,422,811.37-2,134,220.72-581,363.12

Finding the Fourth Proportional to 1,422,811.37, 2,134,220.72 and 581,363.12

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Solution

The fourth proportional to 1,422,811.37, 2,134,220.72 and 581,363.12 is: 872,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,811.37 : 2,134,220.72 = 581,363.12 : x
  2. Step 2: Convert to fraction form
    1,422,811.37/2,134,220.72 = 581,363.12/x
  3. Step 3: Cross multiply
    1,422,811.37x = 2,134,220.72 × 581,363.12
  4. Step 4: Simplify right side
    1,422,811.37x = 1,240,757,218,976.58
  5. Step 5: Solve for x
    x = 1,240,757,218,976.58/1,422,811.37
  6. Step 6: Final answer
    x = 872,046.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.