Home / 919,917.71-1,379,779.52-246,067.01

Finding the Fourth Proportional to 919,917.71, 1,379,779.52 and 246,067.01

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Solution

The fourth proportional to 919,917.71, 1,379,779.52 and 246,067.01 is: 369,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,917.71 : 1,379,779.52 = 246,067.01 : x
  2. Step 2: Convert to fraction form
    919,917.71/1,379,779.52 = 246,067.01/x
  3. Step 3: Cross multiply
    919,917.71x = 1,379,779.52 × 246,067.01
  4. Step 4: Simplify right side
    919,917.71x = 339,518,225,751.84
  5. Step 5: Solve for x
    x = 339,518,225,751.84/919,917.71
  6. Step 6: Final answer
    x = 369,074.56

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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.