Home / 1,422,823.37-2,134,238.70-581,375.12

Finding the Fourth Proportional to 1,422,823.37, 2,134,238.70 and 581,375.12

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Solution

The fourth proportional to 1,422,823.37, 2,134,238.70 and 581,375.12 is: 872,064.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,823.37 : 2,134,238.70 = 581,375.12 : x
  2. Step 2: Convert to fraction form
    1,422,823.37/2,134,238.70 = 581,375.12/x
  3. Step 3: Cross multiply
    1,422,823.37x = 2,134,238.70 × 581,375.12
  4. Step 4: Simplify right side
    1,422,823.37x = 1,240,793,287,836.90
  5. Step 5: Solve for x
    x = 1,240,793,287,836.90/1,422,823.37
  6. Step 6: Final answer
    x = 872,064.17

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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.