Home / 1,135,142.82-1,702,664.99-282,196.62

Finding the Fourth Proportional to 1,135,142.82, 1,702,664.99 and 282,196.62

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Solution

The fourth proportional to 1,135,142.82, 1,702,664.99 and 282,196.62 is: 423,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,142.82 : 1,702,664.99 = 282,196.62 : x
  2. Step 2: Convert to fraction form
    1,135,142.82/1,702,664.99 = 282,196.62/x
  3. Step 3: Cross multiply
    1,135,142.82x = 1,702,664.99 × 282,196.62
  4. Step 4: Simplify right side
    1,135,142.82x = 480,486,303,759.35
  5. Step 5: Solve for x
    x = 480,486,303,759.35/1,135,142.82
  6. Step 6: Final answer
    x = 423,282.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.