Home / 1,683,635.95-2,323,379.86-919,692.55

Finding the Fourth Proportional to 1,683,635.95, 2,323,379.86 and 919,692.55

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Solution

The fourth proportional to 1,683,635.95, 2,323,379.86 and 919,692.55 is: 1,269,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,635.95 : 2,323,379.86 = 919,692.55 : x
  2. Step 2: Convert to fraction form
    1,683,635.95/2,323,379.86 = 919,692.55/x
  3. Step 3: Cross multiply
    1,683,635.95x = 2,323,379.86 × 919,692.55
  4. Step 4: Simplify right side
    1,683,635.95x = 2,136,795,148,062.04
  5. Step 5: Solve for x
    x = 2,136,795,148,062.04/1,683,635.95
  6. Step 6: Final answer
    x = 1,269,155.10

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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.