Home / 695,964.73-960,415.50-405,558.13

Finding the Fourth Proportional to 695,964.73, 960,415.50 and 405,558.13

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Solution

The fourth proportional to 695,964.73, 960,415.50 and 405,558.13 is: 559,661.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,964.73 : 960,415.50 = 405,558.13 : x
  2. Step 2: Convert to fraction form
    695,964.73/960,415.50 = 405,558.13/x
  3. Step 3: Cross multiply
    695,964.73x = 960,415.50 × 405,558.13
  4. Step 4: Simplify right side
    695,964.73x = 389,504,314,203.02
  5. Step 5: Solve for x
    x = 389,504,314,203.02/695,964.73
  6. Step 6: Final answer
    x = 559,661.00

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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.