Home / 1,077,767.25-1,616,464.98-319,599.96

Finding the Fourth Proportional to 1,077,767.25, 1,616,464.98 and 319,599.96

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Solution

The fourth proportional to 1,077,767.25, 1,616,464.98 and 319,599.96 is: 479,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,767.25 : 1,616,464.98 = 319,599.96 : x
  2. Step 2: Convert to fraction form
    1,077,767.25/1,616,464.98 = 319,599.96/x
  3. Step 3: Cross multiply
    1,077,767.25x = 1,616,464.98 × 319,599.96
  4. Step 4: Simplify right side
    1,077,767.25x = 516,622,142,949.40
  5. Step 5: Solve for x
    x = 516,622,142,949.40/1,077,767.25
  6. Step 6: Final answer
    x = 479,344.81

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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.