Home / 1,412,022.10-2,116,720.95-985,557.10

Finding the Fourth Proportional to 1,412,022.10, 2,116,720.95 and 985,557.10

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Solution

The fourth proportional to 1,412,022.10, 2,116,720.95 and 985,557.10 is: 1,477,419.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,022.10 : 2,116,720.95 = 985,557.10 : x
  2. Step 2: Convert to fraction form
    1,412,022.10/2,116,720.95 = 985,557.10/x
  3. Step 3: Cross multiply
    1,412,022.10x = 2,116,720.95 × 985,557.10
  4. Step 4: Simplify right side
    1,412,022.10x = 2,086,149,360,991.25
  5. Step 5: Solve for x
    x = 2,086,149,360,991.25/1,412,022.10
  6. Step 6: Final answer
    x = 1,477,419.77

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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.