Home / 1,416,410.88-1,954,668.96-771,830.88

Finding the Fourth Proportional to 1,416,410.88, 1,954,668.96 and 771,830.88

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Solution

The fourth proportional to 1,416,410.88, 1,954,668.96 and 771,830.88 is: 1,065,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,410.88 : 1,954,668.96 = 771,830.88 : x
  2. Step 2: Convert to fraction form
    1,416,410.88/1,954,668.96 = 771,830.88/x
  3. Step 3: Cross multiply
    1,416,410.88x = 1,954,668.96 × 771,830.88
  4. Step 4: Simplify right side
    1,416,410.88x = 1,508,673,863,505.49
  5. Step 5: Solve for x
    x = 1,508,673,863,505.49/1,416,410.88
  6. Step 6: Final answer
    x = 1,065,138.57

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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.