Home / 1,416,344.60-1,954,530.22-771,770.36

Finding the Fourth Proportional to 1,416,344.60, 1,954,530.22 and 771,770.36

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Solution

The fourth proportional to 1,416,344.60, 1,954,530.22 and 771,770.36 is: 1,065,029.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,344.60 : 1,954,530.22 = 771,770.36 : x
  2. Step 2: Convert to fraction form
    1,416,344.60/1,954,530.22 = 771,770.36/x
  3. Step 3: Cross multiply
    1,416,344.60x = 1,954,530.22 × 771,770.36
  4. Step 4: Simplify right side
    1,416,344.60x = 1,508,448,491,520.28
  5. Step 5: Solve for x
    x = 1,508,448,491,520.28/1,416,344.60
  6. Step 6: Final answer
    x = 1,065,029.30

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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.