Home / 982,267.92-1,355,408.48-619,554.78

Finding the Fourth Proportional to 982,267.92, 1,355,408.48 and 619,554.78

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Solution

The fourth proportional to 982,267.92, 1,355,408.48 and 619,554.78 is: 854,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,267.92 : 1,355,408.48 = 619,554.78 : x
  2. Step 2: Convert to fraction form
    982,267.92/1,355,408.48 = 619,554.78/x
  3. Step 3: Cross multiply
    982,267.92x = 1,355,408.48 × 619,554.78
  4. Step 4: Simplify right side
    982,267.92x = 839,749,802,636.53
  5. Step 5: Solve for x
    x = 839,749,802,636.53/982,267.92
  6. Step 6: Final answer
    x = 854,909.12

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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.