Home / 807,143.09-1,113,864.99-444,568.28

Finding the Fourth Proportional to 807,143.09, 1,113,864.99 and 444,568.28

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Solution

The fourth proportional to 807,143.09, 1,113,864.99 and 444,568.28 is: 613,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,143.09 : 1,113,864.99 = 444,568.28 : x
  2. Step 2: Convert to fraction form
    807,143.09/1,113,864.99 = 444,568.28/x
  3. Step 3: Cross multiply
    807,143.09x = 1,113,864.99 × 444,568.28
  4. Step 4: Simplify right side
    807,143.09x = 495,189,042,756.52
  5. Step 5: Solve for x
    x = 495,189,042,756.52/807,143.09
  6. Step 6: Final answer
    x = 613,508.37

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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.