Home / 1,188,110.40-1,782,165.60-548,412.90

Finding the Fourth Proportional to 1,188,110.40, 1,782,165.60 and 548,412.90

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Solution

The fourth proportional to 1,188,110.40, 1,782,165.60 and 548,412.90 is: 822,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,110.40 : 1,782,165.60 = 548,412.90 : x
  2. Step 2: Convert to fraction form
    1,188,110.40/1,782,165.60 = 548,412.90/x
  3. Step 3: Cross multiply
    1,188,110.40x = 1,782,165.60 × 548,412.90
  4. Step 4: Simplify right side
    1,188,110.40x = 977,362,604,976.24
  5. Step 5: Solve for x
    x = 977,362,604,976.24/1,188,110.40
  6. Step 6: Final answer
    x = 822,619.35

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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.