Home / 1,477,978.70-2,039,661-857,736.14

Finding the Fourth Proportional to 1,477,978.70, 2,039,661 and 857,736.14

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Solution

The fourth proportional to 1,477,978.70, 2,039,661 and 857,736.14 is: 1,183,705.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,978.70 : 2,039,661 = 857,736.14 : x
  2. Step 2: Convert to fraction form
    1,477,978.70/2,039,661 = 857,736.14/x
  3. Step 3: Cross multiply
    1,477,978.70x = 2,039,661 × 857,736.14
  4. Step 4: Simplify right side
    1,477,978.70x = 1,749,490,942,850.24
  5. Step 5: Solve for x
    x = 1,749,490,942,850.24/1,477,978.70
  6. Step 6: Final answer
    x = 1,183,705.11

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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.