Home / 1,341,603.78-2,012,405.67-919,600.26

Finding the Fourth Proportional to 1,341,603.78, 2,012,405.67 and 919,600.26

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Solution

The fourth proportional to 1,341,603.78, 2,012,405.67 and 919,600.26 is: 1,379,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,603.78 : 2,012,405.67 = 919,600.26 : x
  2. Step 2: Convert to fraction form
    1,341,603.78/2,012,405.67 = 919,600.26/x
  3. Step 3: Cross multiply
    1,341,603.78x = 2,012,405.67 × 919,600.26
  4. Step 4: Simplify right side
    1,341,603.78x = 1,850,608,777,357.47
  5. Step 5: Solve for x
    x = 1,850,608,777,357.47/1,341,603.78
  6. Step 6: Final answer
    x = 1,379,400.39

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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.