Home / 1,114,720.11-1,538,312.40-605,418.84

Finding the Fourth Proportional to 1,114,720.11, 1,538,312.40 and 605,418.84

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Solution

The fourth proportional to 1,114,720.11, 1,538,312.40 and 605,418.84 is: 835,477.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,720.11 : 1,538,312.40 = 605,418.84 : x
  2. Step 2: Convert to fraction form
    1,114,720.11/1,538,312.40 = 605,418.84/x
  3. Step 3: Cross multiply
    1,114,720.11x = 1,538,312.40 × 605,418.84
  4. Step 4: Simplify right side
    1,114,720.11x = 931,323,308,765.62
  5. Step 5: Solve for x
    x = 931,323,308,765.62/1,114,720.11
  6. Step 6: Final answer
    x = 835,477.27

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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.