Home / 783,657.41-1,081,565.44-477,911.15

Finding the Fourth Proportional to 783,657.41, 1,081,565.44 and 477,911.15

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Solution

The fourth proportional to 783,657.41, 1,081,565.44 and 477,911.15 is: 659,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,657.41 : 1,081,565.44 = 477,911.15 : x
  2. Step 2: Convert to fraction form
    783,657.41/1,081,565.44 = 477,911.15/x
  3. Step 3: Cross multiply
    783,657.41x = 1,081,565.44 × 477,911.15
  4. Step 4: Simplify right side
    783,657.41x = 516,892,184,739.79
  5. Step 5: Solve for x
    x = 516,892,184,739.79/783,657.41
  6. Step 6: Final answer
    x = 659,589.48

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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.