Home / 1,091,144.18-1,505,825.52-607,709.36

Finding the Fourth Proportional to 1,091,144.18, 1,505,825.52 and 607,709.36

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Solution

The fourth proportional to 1,091,144.18, 1,505,825.52 and 607,709.36 is: 838,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,144.18 : 1,505,825.52 = 607,709.36 : x
  2. Step 2: Convert to fraction form
    1,091,144.18/1,505,825.52 = 607,709.36/x
  3. Step 3: Cross multiply
    1,091,144.18x = 1,505,825.52 × 607,709.36
  4. Step 4: Simplify right side
    1,091,144.18x = 915,104,263,030.87
  5. Step 5: Solve for x
    x = 915,104,263,030.87/1,091,144.18
  6. Step 6: Final answer
    x = 838,664.84

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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.