Home / 821,881.11-1,134,097.71-454,308.60

Finding the Fourth Proportional to 821,881.11, 1,134,097.71 and 454,308.60

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Solution

The fourth proportional to 821,881.11, 1,134,097.71 and 454,308.60 is: 626,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,881.11 : 1,134,097.71 = 454,308.60 : x
  2. Step 2: Convert to fraction form
    821,881.11/1,134,097.71 = 454,308.60/x
  3. Step 3: Cross multiply
    821,881.11x = 1,134,097.71 × 454,308.60
  4. Step 4: Simplify right side
    821,881.11x = 515,230,346,239.92
  5. Step 5: Solve for x
    x = 515,230,346,239.92/821,881.11
  6. Step 6: Final answer
    x = 626,891.58

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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.