Home / 1,105,776.82-1,525,807.47-622,313.20

Finding the Fourth Proportional to 1,105,776.82, 1,525,807.47 and 622,313.20

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Solution

The fourth proportional to 1,105,776.82, 1,525,807.47 and 622,313.20 is: 858,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,776.82 : 1,525,807.47 = 622,313.20 : x
  2. Step 2: Convert to fraction form
    1,105,776.82/1,525,807.47 = 622,313.20/x
  3. Step 3: Cross multiply
    1,105,776.82x = 1,525,807.47 × 622,313.20
  4. Step 4: Simplify right side
    1,105,776.82x = 949,530,129,239.60
  5. Step 5: Solve for x
    x = 949,530,129,239.60/1,105,776.82
  6. Step 6: Final answer
    x = 858,699.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.