Home / 884,107.86-1,219,537.08-539,786.58

Finding the Fourth Proportional to 884,107.86, 1,219,537.08 and 539,786.58

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Solution

The fourth proportional to 884,107.86, 1,219,537.08 and 539,786.58 is: 744,580.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,107.86 : 1,219,537.08 = 539,786.58 : x
  2. Step 2: Convert to fraction form
    884,107.86/1,219,537.08 = 539,786.58/x
  3. Step 3: Cross multiply
    884,107.86x = 1,219,537.08 × 539,786.58
  4. Step 4: Simplify right side
    884,107.86x = 658,289,749,596.39
  5. Step 5: Solve for x
    x = 658,289,749,596.39/884,107.86
  6. Step 6: Final answer
    x = 744,580.81

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1.5x scale

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.