Home / 853,419.42-1,177,673.22-490,785.66

Finding the Fourth Proportional to 853,419.42, 1,177,673.22 and 490,785.66

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Solution

The fourth proportional to 853,419.42, 1,177,673.22 and 490,785.66 is: 677,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,419.42 : 1,177,673.22 = 490,785.66 : x
  2. Step 2: Convert to fraction form
    853,419.42/1,177,673.22 = 490,785.66/x
  3. Step 3: Cross multiply
    853,419.42x = 1,177,673.22 × 490,785.66
  4. Step 4: Simplify right side
    853,419.42x = 577,985,128,542.03
  5. Step 5: Solve for x
    x = 577,985,128,542.03/853,419.42
  6. Step 6: Final answer
    x = 677,258.00

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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.