Home / 695,935.58-960,362.06-394,129.58

Finding the Fourth Proportional to 695,935.58, 960,362.06 and 394,129.58

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Solution

The fourth proportional to 695,935.58, 960,362.06 and 394,129.58 is: 543,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,935.58 : 960,362.06 = 394,129.58 : x
  2. Step 2: Convert to fraction form
    695,935.58/960,362.06 = 394,129.58/x
  3. Step 3: Cross multiply
    695,935.58x = 960,362.06 × 394,129.58
  4. Step 4: Simplify right side
    695,935.58x = 378,507,095,355.74
  5. Step 5: Solve for x
    x = 378,507,095,355.74/695,935.58
  6. Step 6: Final answer
    x = 543,882.37

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1.5x scale

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.