Home / 1,638,844.98-2,261,615.55-913,737.84

Finding the Fourth Proportional to 1,638,844.98, 2,261,615.55 and 913,737.84

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Solution

The fourth proportional to 1,638,844.98, 2,261,615.55 and 913,737.84 is: 1,260,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,844.98 : 2,261,615.55 = 913,737.84 : x
  2. Step 2: Convert to fraction form
    1,638,844.98/2,261,615.55 = 913,737.84/x
  3. Step 3: Cross multiply
    1,638,844.98x = 2,261,615.55 × 913,737.84
  4. Step 4: Simplify right side
    1,638,844.98x = 2,066,523,707,567.41
  5. Step 5: Solve for x
    x = 2,066,523,707,567.41/1,638,844.98
  6. Step 6: Final answer
    x = 1,260,963.50

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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.