Home / 1,256,015.78-1,733,285.40-683,043.62

Finding the Fourth Proportional to 1,256,015.78, 1,733,285.40 and 683,043.62

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Solution

The fourth proportional to 1,256,015.78, 1,733,285.40 and 683,043.62 is: 942,591.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,015.78 : 1,733,285.40 = 683,043.62 : x
  2. Step 2: Convert to fraction form
    1,256,015.78/1,733,285.40 = 683,043.62/x
  3. Step 3: Cross multiply
    1,256,015.78x = 1,733,285.40 × 683,043.62
  4. Step 4: Simplify right side
    1,256,015.78x = 1,183,909,534,109.15
  5. Step 5: Solve for x
    x = 1,183,909,534,109.15/1,256,015.78
  6. Step 6: Final answer
    x = 942,591.29

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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.