Home / 1,362,041.14-1,878,716.82-851,857.78

Finding the Fourth Proportional to 1,362,041.14, 1,878,716.82 and 851,857.78

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Solution

The fourth proportional to 1,362,041.14, 1,878,716.82 and 851,857.78 is: 1,175,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,041.14 : 1,878,716.82 = 851,857.78 : x
  2. Step 2: Convert to fraction form
    1,362,041.14/1,878,716.82 = 851,857.78/x
  3. Step 3: Cross multiply
    1,362,041.14x = 1,878,716.82 × 851,857.78
  4. Step 4: Simplify right side
    1,362,041.14x = 1,600,399,539,533.86
  5. Step 5: Solve for x
    x = 1,600,399,539,533.86/1,362,041.14
  6. Step 6: Final answer
    x = 1,175,000.88

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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.