Home / 627,536.36-865,704.31-455,075.92

Finding the Fourth Proportional to 627,536.36, 865,704.31 and 455,075.92

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Solution

The fourth proportional to 627,536.36, 865,704.31 and 455,075.92 is: 627,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,536.36 : 865,704.31 = 455,075.92 : x
  2. Step 2: Convert to fraction form
    627,536.36/865,704.31 = 455,075.92/x
  3. Step 3: Cross multiply
    627,536.36x = 865,704.31 × 455,075.92
  4. Step 4: Simplify right side
    627,536.36x = 393,961,185,265.66
  5. Step 5: Solve for x
    x = 393,961,185,265.66/627,536.36
  6. Step 6: Final answer
    x = 627,790.21

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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.