Home / 1,416,671.05-1,954,949.14-772,077.41

Finding the Fourth Proportional to 1,416,671.05, 1,954,949.14 and 772,077.41

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Solution

The fourth proportional to 1,416,671.05, 1,954,949.14 and 772,077.41 is: 1,065,435.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,671.05 : 1,954,949.14 = 772,077.41 : x
  2. Step 2: Convert to fraction form
    1,416,671.05/1,954,949.14 = 772,077.41/x
  3. Step 3: Cross multiply
    1,416,671.05x = 1,954,949.14 × 772,077.41
  4. Step 4: Simplify right side
    1,416,671.05x = 1,509,372,068,692.93
  5. Step 5: Solve for x
    x = 1,509,372,068,692.93/1,416,671.05
  6. Step 6: Final answer
    x = 1,065,435.81

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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.