Home / 1,078,542.35-1,488,419.36-595,138.64

Finding the Fourth Proportional to 1,078,542.35, 1,488,419.36 and 595,138.64

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Solution

The fourth proportional to 1,078,542.35, 1,488,419.36 and 595,138.64 is: 821,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,542.35 : 1,488,419.36 = 595,138.64 : x
  2. Step 2: Convert to fraction form
    1,078,542.35/1,488,419.36 = 595,138.64/x
  3. Step 3: Cross multiply
    1,078,542.35x = 1,488,419.36 × 595,138.64
  4. Step 4: Simplify right side
    1,078,542.35x = 885,815,863,242.28
  5. Step 5: Solve for x
    x = 885,815,863,242.28/1,078,542.35
  6. Step 6: Final answer
    x = 821,308.38

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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.