Home / 1,271,597.64-1,907,016-418,511.82

Finding the Fourth Proportional to 1,271,597.64, 1,907,016 and 418,511.82

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Solution

The fourth proportional to 1,271,597.64, 1,907,016 and 418,511.82 is: 627,642.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,597.64 : 1,907,016 = 418,511.82 : x
  2. Step 2: Convert to fraction form
    1,271,597.64/1,907,016 = 418,511.82/x
  3. Step 3: Cross multiply
    1,271,597.64x = 1,907,016 × 418,511.82
  4. Step 4: Simplify right side
    1,271,597.64x = 798,108,736,929.12
  5. Step 5: Solve for x
    x = 798,108,736,929.12/1,271,597.64
  6. Step 6: Final answer
    x = 627,642.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.