Home / 1,683,635.76-2,323,379.16-919,692.72

Finding the Fourth Proportional to 1,683,635.76, 2,323,379.16 and 919,692.72

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Solution

The fourth proportional to 1,683,635.76, 2,323,379.16 and 919,692.72 is: 1,269,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,635.76 : 2,323,379.16 = 919,692.72 : x
  2. Step 2: Convert to fraction form
    1,683,635.76/2,323,379.16 = 919,692.72/x
  3. Step 3: Cross multiply
    1,683,635.76x = 2,323,379.16 × 919,692.72
  4. Step 4: Simplify right side
    1,683,635.76x = 2,136,794,899,251.72
  5. Step 5: Solve for x
    x = 2,136,794,899,251.72/1,683,635.76
  6. Step 6: Final answer
    x = 1,269,155.09

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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.