Home / 1,053,120.98-1,578,412.31-483,716.34

Finding the Fourth Proportional to 1,053,120.98, 1,578,412.31 and 483,716.34

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Solution

The fourth proportional to 1,053,120.98, 1,578,412.31 and 483,716.34 is: 724,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,120.98 : 1,578,412.31 = 483,716.34 : x
  2. Step 2: Convert to fraction form
    1,053,120.98/1,578,412.31 = 483,716.34/x
  3. Step 3: Cross multiply
    1,053,120.98x = 1,578,412.31 × 483,716.34
  4. Step 4: Simplify right side
    1,053,120.98x = 763,503,825,604.15
  5. Step 5: Solve for x
    x = 763,503,825,604.15/1,053,120.98
  6. Step 6: Final answer
    x = 724,991.56

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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.