Home / 936,580.25-1,291,403.32-691,919.01

Finding the Fourth Proportional to 936,580.25, 1,291,403.32 and 691,919.01

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Solution

The fourth proportional to 936,580.25, 1,291,403.32 and 691,919.01 is: 954,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,580.25 : 1,291,403.32 = 691,919.01 : x
  2. Step 2: Convert to fraction form
    936,580.25/1,291,403.32 = 691,919.01/x
  3. Step 3: Cross multiply
    936,580.25x = 1,291,403.32 × 691,919.01
  4. Step 4: Simplify right side
    936,580.25x = 893,546,504,955.32
  5. Step 5: Solve for x
    x = 893,546,504,955.32/936,580.25
  6. Step 6: Final answer
    x = 954,052.26

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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.