Home / 1,416,120.81-1,954,269.15-771,540.83

Finding the Fourth Proportional to 1,416,120.81, 1,954,269.15 and 771,540.83

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Solution

The fourth proportional to 1,416,120.81, 1,954,269.15 and 771,540.83 is: 1,064,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,120.81 : 1,954,269.15 = 771,540.83 : x
  2. Step 2: Convert to fraction form
    1,416,120.81/1,954,269.15 = 771,540.83/x
  3. Step 3: Cross multiply
    1,416,120.81x = 1,954,269.15 × 771,540.83
  4. Step 4: Simplify right side
    1,416,120.81x = 1,507,798,436,698.28
  5. Step 5: Solve for x
    x = 1,507,798,436,698.28/1,416,120.81
  6. Step 6: Final answer
    x = 1,064,738.57

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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.