Home / 1,422,905.64-2,134,362.06-581,457.48

Finding the Fourth Proportional to 1,422,905.64, 2,134,362.06 and 581,457.48

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Solution

The fourth proportional to 1,422,905.64, 2,134,362.06 and 581,457.48 is: 872,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,905.64 : 2,134,362.06 = 581,457.48 : x
  2. Step 2: Convert to fraction form
    1,422,905.64/2,134,362.06 = 581,457.48/x
  3. Step 3: Cross multiply
    1,422,905.64x = 2,134,362.06 × 581,457.48
  4. Step 4: Simplify right side
    1,422,905.64x = 1,241,040,784,815.21
  5. Step 5: Solve for x
    x = 1,241,040,784,815.21/1,422,905.64
  6. Step 6: Final answer
    x = 872,187.69

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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.