Home / 1,093,665.60-1,638,530.10-936,201.60

Finding the Fourth Proportional to 1,093,665.60, 1,638,530.10 and 936,201.60

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Solution

The fourth proportional to 1,093,665.60, 1,638,530.10 and 936,201.60 is: 1,402,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,665.60 : 1,638,530.10 = 936,201.60 : x
  2. Step 2: Convert to fraction form
    1,093,665.60/1,638,530.10 = 936,201.60/x
  3. Step 3: Cross multiply
    1,093,665.60x = 1,638,530.10 × 936,201.60
  4. Step 4: Simplify right side
    1,093,665.60x = 1,533,994,501,268.16
  5. Step 5: Solve for x
    x = 1,533,994,501,268.16/1,093,665.60
  6. Step 6: Final answer
    x = 1,402,617.49

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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.