Home / 696,376.24-961,418.37-455,062.66

Finding the Fourth Proportional to 696,376.24, 961,418.37 and 455,062.66

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Solution

The fourth proportional to 696,376.24, 961,418.37 and 455,062.66 is: 628,260.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,376.24 : 961,418.37 = 455,062.66 : x
  2. Step 2: Convert to fraction form
    696,376.24/961,418.37 = 455,062.66/x
  3. Step 3: Cross multiply
    696,376.24x = 961,418.37 × 455,062.66
  4. Step 4: Simplify right side
    696,376.24x = 437,505,600,825.06
  5. Step 5: Solve for x
    x = 437,505,600,825.06/696,376.24
  6. Step 6: Final answer
    x = 628,260.38

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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.