Home / 993,692.72-1,371,295.90-540,983.72

Finding the Fourth Proportional to 993,692.72, 1,371,295.90 and 540,983.72

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Solution

The fourth proportional to 993,692.72, 1,371,295.90 and 540,983.72 is: 746,557.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,692.72 : 1,371,295.90 = 540,983.72 : x
  2. Step 2: Convert to fraction form
    993,692.72/1,371,295.90 = 540,983.72/x
  3. Step 3: Cross multiply
    993,692.72x = 1,371,295.90 × 540,983.72
  4. Step 4: Simplify right side
    993,692.72x = 741,848,757,202.75
  5. Step 5: Solve for x
    x = 741,848,757,202.75/993,692.72
  6. Step 6: Final answer
    x = 746,557.50

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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.