Home / 1,173,230.70-1,618,221.78-1,076,745.48

Finding the Fourth Proportional to 1,173,230.70, 1,618,221.78 and 1,076,745.48

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Solution

The fourth proportional to 1,173,230.70, 1,618,221.78 and 1,076,745.48 is: 1,485,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,230.70 : 1,618,221.78 = 1,076,745.48 : x
  2. Step 2: Convert to fraction form
    1,173,230.70/1,618,221.78 = 1,076,745.48/x
  3. Step 3: Cross multiply
    1,173,230.70x = 1,618,221.78 × 1,076,745.48
  4. Step 4: Simplify right side
    1,173,230.70x = 1,742,412,987,252.55
  5. Step 5: Solve for x
    x = 1,742,412,987,252.55/1,173,230.70
  6. Step 6: Final answer
    x = 1,485,140.98

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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.