Home / 905,015.26-1,358,094.70-505,917.83

Finding the Fourth Proportional to 905,015.26, 1,358,094.70 and 505,917.83

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Solution

The fourth proportional to 905,015.26, 1,358,094.70 and 505,917.83 is: 759,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,015.26 : 1,358,094.70 = 505,917.83 : x
  2. Step 2: Convert to fraction form
    905,015.26/1,358,094.70 = 505,917.83/x
  3. Step 3: Cross multiply
    905,015.26x = 1,358,094.70 × 505,917.83
  4. Step 4: Simplify right side
    905,015.26x = 687,084,327,586.14
  5. Step 5: Solve for x
    x = 687,084,327,586.14/905,015.26
  6. Step 6: Final answer
    x = 759,196.40

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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.