Home / 1,267,511.76-1,901,691.28-414,622.32

Finding the Fourth Proportional to 1,267,511.76, 1,901,691.28 and 414,622.32

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Solution

The fourth proportional to 1,267,511.76, 1,901,691.28 and 414,622.32 is: 622,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,511.76 : 1,901,691.28 = 414,622.32 : x
  2. Step 2: Convert to fraction form
    1,267,511.76/1,901,691.28 = 414,622.32/x
  3. Step 3: Cross multiply
    1,267,511.76x = 1,901,691.28 × 414,622.32
  4. Step 4: Simplify right side
    1,267,511.76x = 788,483,650,437.37
  5. Step 5: Solve for x
    x = 788,483,650,437.37/1,267,511.76
  6. Step 6: Final answer
    x = 622,072.06

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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.