Home / 627,698.03-866,228.85-341,218.58

Finding the Fourth Proportional to 627,698.03, 866,228.85 and 341,218.58

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Solution

The fourth proportional to 627,698.03, 866,228.85 and 341,218.58 is: 470,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,698.03 : 866,228.85 = 341,218.58 : x
  2. Step 2: Convert to fraction form
    627,698.03/866,228.85 = 341,218.58/x
  3. Step 3: Cross multiply
    627,698.03x = 866,228.85 × 341,218.58
  4. Step 4: Simplify right side
    627,698.03x = 295,573,373,820.89
  5. Step 5: Solve for x
    x = 295,573,373,820.89/627,698.03
  6. Step 6: Final answer
    x = 470,884.66

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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.