Home / 1,376,511.36-1,900,276.38-860,551.89

Finding the Fourth Proportional to 1,376,511.36, 1,900,276.38 and 860,551.89

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Solution

The fourth proportional to 1,376,511.36, 1,900,276.38 and 860,551.89 is: 1,187,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,511.36 : 1,900,276.38 = 860,551.89 : x
  2. Step 2: Convert to fraction form
    1,376,511.36/1,900,276.38 = 860,551.89/x
  3. Step 3: Cross multiply
    1,376,511.36x = 1,900,276.38 × 860,551.89
  4. Step 4: Simplify right side
    1,376,511.36x = 1,635,286,430,331.36
  5. Step 5: Solve for x
    x = 1,635,286,430,331.36/1,376,511.36
  6. Step 6: Final answer
    x = 1,187,993.41

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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.