Home / 1,570,556.78-2,356,204.22-505,558.86

Finding the Fourth Proportional to 1,570,556.78, 2,356,204.22 and 505,558.86

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Solution

The fourth proportional to 1,570,556.78, 2,356,204.22 and 505,558.86 is: 758,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,556.78 : 2,356,204.22 = 505,558.86 : x
  2. Step 2: Convert to fraction form
    1,570,556.78/2,356,204.22 = 505,558.86/x
  3. Step 3: Cross multiply
    1,570,556.78x = 2,356,204.22 × 505,558.86
  4. Step 4: Simplify right side
    1,570,556.78x = 1,191,199,919,390.39
  5. Step 5: Solve for x
    x = 1,191,199,919,390.39/1,570,556.78
  6. Step 6: Final answer
    x = 758,457.09

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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.