Home / 1,416,706.25-1,954,997.69-772,112.60

Finding the Fourth Proportional to 1,416,706.25, 1,954,997.69 and 772,112.60

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Solution

The fourth proportional to 1,416,706.25, 1,954,997.69 and 772,112.60 is: 1,065,484.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,706.25 : 1,954,997.69 = 772,112.60 : x
  2. Step 2: Convert to fraction form
    1,416,706.25/1,954,997.69 = 772,112.60/x
  3. Step 3: Cross multiply
    1,416,706.25x = 1,954,997.69 × 772,112.60
  4. Step 4: Simplify right side
    1,416,706.25x = 1,509,478,341,575.19
  5. Step 5: Solve for x
    x = 1,509,478,341,575.19/1,416,706.25
  6. Step 6: Final answer
    x = 1,065,484.36

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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.