Home / 698,449.86-963,976.77-412,040.34

Finding the Fourth Proportional to 698,449.86, 963,976.77 and 412,040.34

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Solution

The fourth proportional to 698,449.86, 963,976.77 and 412,040.34 is: 568,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,449.86 : 963,976.77 = 412,040.34 : x
  2. Step 2: Convert to fraction form
    698,449.86/963,976.77 = 412,040.34/x
  3. Step 3: Cross multiply
    698,449.86x = 963,976.77 × 412,040.34
  4. Step 4: Simplify right side
    698,449.86x = 397,197,316,062.90
  5. Step 5: Solve for x
    x = 397,197,316,062.90/698,449.86
  6. Step 6: Final answer
    x = 568,684.08

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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.