Home / 881,046.50-1,215,845.25-478,638.50

Finding the Fourth Proportional to 881,046.50, 1,215,845.25 and 478,638.50

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Solution

The fourth proportional to 881,046.50, 1,215,845.25 and 478,638.50 is: 660,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,046.50 : 1,215,845.25 = 478,638.50 : x
  2. Step 2: Convert to fraction form
    881,046.50/1,215,845.25 = 478,638.50/x
  3. Step 3: Cross multiply
    881,046.50x = 1,215,845.25 × 478,638.50
  4. Step 4: Simplify right side
    881,046.50x = 581,950,346,692.13
  5. Step 5: Solve for x
    x = 581,950,346,692.13/881,046.50
  6. Step 6: Final answer
    x = 660,521.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.