Home / 919,615.15-1,269,104.79-556,833.97

Finding the Fourth Proportional to 919,615.15, 1,269,104.79 and 556,833.97

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Solution

The fourth proportional to 919,615.15, 1,269,104.79 and 556,833.97 is: 768,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,615.15 : 1,269,104.79 = 556,833.97 : x
  2. Step 2: Convert to fraction form
    919,615.15/1,269,104.79 = 556,833.97/x
  3. Step 3: Cross multiply
    919,615.15x = 1,269,104.79 × 556,833.97
  4. Step 4: Simplify right side
    919,615.15x = 706,680,658,561.72
  5. Step 5: Solve for x
    x = 706,680,658,561.72/919,615.15
  6. Step 6: Final answer
    x = 768,452.61

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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.