Home / 850,465.44-1,275,255.36-317,548.32

Finding the Fourth Proportional to 850,465.44, 1,275,255.36 and 317,548.32

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Solution

The fourth proportional to 850,465.44, 1,275,255.36 and 317,548.32 is: 476,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,465.44 : 1,275,255.36 = 317,548.32 : x
  2. Step 2: Convert to fraction form
    850,465.44/1,275,255.36 = 317,548.32/x
  3. Step 3: Cross multiply
    850,465.44x = 1,275,255.36 × 317,548.32
  4. Step 4: Simplify right side
    850,465.44x = 404,955,197,139.00
  5. Step 5: Solve for x
    x = 404,955,197,139.00/850,465.44
  6. Step 6: Final answer
    x = 476,157.15

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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.