Home / 469,210.09-704,757.68-280,040.06

Finding the Fourth Proportional to 469,210.09, 704,757.68 and 280,040.06

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Solution

The fourth proportional to 469,210.09, 704,757.68 and 280,040.06 is: 420,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,210.09 : 704,757.68 = 280,040.06 : x
  2. Step 2: Convert to fraction form
    469,210.09/704,757.68 = 280,040.06/x
  3. Step 3: Cross multiply
    469,210.09x = 704,757.68 × 280,040.06
  4. Step 4: Simplify right side
    469,210.09x = 197,360,382,992.66
  5. Step 5: Solve for x
    x = 197,360,382,992.66/469,210.09
  6. Step 6: Final answer
    x = 420,622.63

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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.