Home / 1,200,455.66-1,801,188.93-526,188.98

Finding the Fourth Proportional to 1,200,455.66, 1,801,188.93 and 526,188.98

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Solution

The fourth proportional to 1,200,455.66, 1,801,188.93 and 526,188.98 is: 789,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,455.66 : 1,801,188.93 = 526,188.98 : x
  2. Step 2: Convert to fraction form
    1,200,455.66/1,801,188.93 = 526,188.98/x
  3. Step 3: Cross multiply
    1,200,455.66x = 1,801,188.93 × 526,188.98
  4. Step 4: Simplify right side
    1,200,455.66x = 947,765,756,858.05
  5. Step 5: Solve for x
    x = 947,765,756,858.05/1,200,455.66
  6. Step 6: Final answer
    x = 789,505.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.