Home / 364,458.03-503,007.48-221,190.36

Finding the Fourth Proportional to 364,458.03, 503,007.48 and 221,190.36

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Solution

The fourth proportional to 364,458.03, 503,007.48 and 221,190.36 is: 305,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,458.03 : 503,007.48 = 221,190.36 : x
  2. Step 2: Convert to fraction form
    364,458.03/503,007.48 = 221,190.36/x
  3. Step 3: Cross multiply
    364,458.03x = 503,007.48 × 221,190.36
  4. Step 4: Simplify right side
    364,458.03x = 111,260,405,583.89
  5. Step 5: Solve for x
    x = 111,260,405,583.89/364,458.03
  6. Step 6: Final answer
    x = 305,276.32

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1.5x scale

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.