Home / 817,003.26-1,127,448.33-454,419.32

Finding the Fourth Proportional to 817,003.26, 1,127,448.33 and 454,419.32

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Solution

The fourth proportional to 817,003.26, 1,127,448.33 and 454,419.32 is: 627,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,003.26 : 1,127,448.33 = 454,419.32 : x
  2. Step 2: Convert to fraction form
    817,003.26/1,127,448.33 = 454,419.32/x
  3. Step 3: Cross multiply
    817,003.26x = 1,127,448.33 × 454,419.32
  4. Step 4: Simplify right side
    817,003.26x = 512,334,297,816.49
  5. Step 5: Solve for x
    x = 512,334,297,816.49/817,003.26
  6. Step 6: Final answer
    x = 627,089.66

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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.