Home / 1,416,670.05-1,954,947.76-772,076.41

Finding the Fourth Proportional to 1,416,670.05, 1,954,947.76 and 772,076.41

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Solution

The fourth proportional to 1,416,670.05, 1,954,947.76 and 772,076.41 is: 1,065,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,670.05 : 1,954,947.76 = 772,076.41 : x
  2. Step 2: Convert to fraction form
    1,416,670.05/1,954,947.76 = 772,076.41/x
  3. Step 3: Cross multiply
    1,416,670.05x = 1,954,947.76 × 772,076.41
  4. Step 4: Simplify right side
    1,416,670.05x = 1,509,369,041,460.78
  5. Step 5: Solve for x
    x = 1,509,369,041,460.78/1,416,670.05
  6. Step 6: Final answer
    x = 1,065,434.42

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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.