Home / 1,416,334.10-1,954,515.77-771,759.86

Finding the Fourth Proportional to 1,416,334.10, 1,954,515.77 and 771,759.86

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Solution

The fourth proportional to 1,416,334.10, 1,954,515.77 and 771,759.86 is: 1,065,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,334.10 : 1,954,515.77 = 771,759.86 : x
  2. Step 2: Convert to fraction form
    1,416,334.10/1,954,515.77 = 771,759.86/x
  3. Step 3: Cross multiply
    1,416,334.10x = 1,954,515.77 × 771,759.86
  4. Step 4: Simplify right side
    1,416,334.10x = 1,508,416,817,022.99
  5. Step 5: Solve for x
    x = 1,508,416,817,022.99/1,416,334.10
  6. Step 6: Final answer
    x = 1,065,014.83

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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.