Home / 1,449,969.60-2,170,653.60-1,077,643.20

Finding the Fourth Proportional to 1,449,969.60, 2,170,653.60 and 1,077,643.20

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Solution

The fourth proportional to 1,449,969.60, 2,170,653.60 and 1,077,643.20 is: 1,613,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,969.60 : 2,170,653.60 = 1,077,643.20 : x
  2. Step 2: Convert to fraction form
    1,449,969.60/2,170,653.60 = 1,077,643.20/x
  3. Step 3: Cross multiply
    1,449,969.60x = 2,170,653.60 × 1,077,643.20
  4. Step 4: Simplify right side
    1,449,969.60x = 2,339,190,091,595.52
  5. Step 5: Solve for x
    x = 2,339,190,091,595.52/1,449,969.60
  6. Step 6: Final answer
    x = 1,613,268.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.