Home / 1,138,154.76-1,706,726.70-605,563.56

Finding the Fourth Proportional to 1,138,154.76, 1,706,726.70 and 605,563.56

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Solution

The fourth proportional to 1,138,154.76, 1,706,726.70 and 605,563.56 is: 908,076.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,154.76 : 1,706,726.70 = 605,563.56 : x
  2. Step 2: Convert to fraction form
    1,138,154.76/1,706,726.70 = 605,563.56/x
  3. Step 3: Cross multiply
    1,138,154.76x = 1,706,726.70 × 605,563.56
  4. Step 4: Simplify right side
    1,138,154.76x = 1,033,531,496,399.05
  5. Step 5: Solve for x
    x = 1,033,531,496,399.05/1,138,154.76
  6. Step 6: Final answer
    x = 908,076.42

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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.