Home / 1,091,385.14-1,505,911.62-607,938.26

Finding the Fourth Proportional to 1,091,385.14, 1,505,911.62 and 607,938.26

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Solution

The fourth proportional to 1,091,385.14, 1,505,911.62 and 607,938.26 is: 838,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,385.14 : 1,505,911.62 = 607,938.26 : x
  2. Step 2: Convert to fraction form
    1,091,385.14/1,505,911.62 = 607,938.26/x
  3. Step 3: Cross multiply
    1,091,385.14x = 1,505,911.62 × 607,938.26
  4. Step 4: Simplify right side
    1,091,385.14x = 915,501,289,976.58
  5. Step 5: Solve for x
    x = 915,501,289,976.58/1,091,385.14
  6. Step 6: Final answer
    x = 838,843.46

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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.