Home / 695,870.14-960,284.48-409,408.64

Finding the Fourth Proportional to 695,870.14, 960,284.48 and 409,408.64

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Solution

The fourth proportional to 695,870.14, 960,284.48 and 409,408.64 is: 564,974.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,870.14 : 960,284.48 = 409,408.64 : x
  2. Step 2: Convert to fraction form
    695,870.14/960,284.48 = 409,408.64/x
  3. Step 3: Cross multiply
    695,870.14x = 960,284.48 × 409,408.64
  4. Step 4: Simplify right side
    695,870.14x = 393,148,762,969.91
  5. Step 5: Solve for x
    x = 393,148,762,969.91/695,870.14
  6. Step 6: Final answer
    x = 564,974.33

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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.