Home / 816,906.96-1,127,362.68-454,357.02

Finding the Fourth Proportional to 816,906.96, 1,127,362.68 and 454,357.02

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Solution

The fourth proportional to 816,906.96, 1,127,362.68 and 454,357.02 is: 627,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,906.96 : 1,127,362.68 = 454,357.02 : x
  2. Step 2: Convert to fraction form
    816,906.96/1,127,362.68 = 454,357.02/x
  3. Step 3: Cross multiply
    816,906.96x = 1,127,362.68 × 454,357.02
  4. Step 4: Simplify right side
    816,906.96x = 512,225,147,744.01
  5. Step 5: Solve for x
    x = 512,225,147,744.01/816,906.96
  6. Step 6: Final answer
    x = 627,029.97

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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.