Home / 1,388,366.79-2,082,418.96-441,570.75

Finding the Fourth Proportional to 1,388,366.79, 2,082,418.96 and 441,570.75

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Solution

The fourth proportional to 1,388,366.79, 2,082,418.96 and 441,570.75 is: 662,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,366.79 : 2,082,418.96 = 441,570.75 : x
  2. Step 2: Convert to fraction form
    1,388,366.79/2,082,418.96 = 441,570.75/x
  3. Step 3: Cross multiply
    1,388,366.79x = 2,082,418.96 × 441,570.75
  4. Step 4: Simplify right side
    1,388,366.79x = 919,535,301,981.42
  5. Step 5: Solve for x
    x = 919,535,301,981.42/1,388,366.79
  6. Step 6: Final answer
    x = 662,314.39

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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.