Home / 403,620.04-556,999.50-222,332.80

Finding the Fourth Proportional to 403,620.04, 556,999.50 and 222,332.80

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Solution

The fourth proportional to 403,620.04, 556,999.50 and 222,332.80 is: 306,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,620.04 : 556,999.50 = 222,332.80 : x
  2. Step 2: Convert to fraction form
    403,620.04/556,999.50 = 222,332.80/x
  3. Step 3: Cross multiply
    403,620.04x = 556,999.50 × 222,332.80
  4. Step 4: Simplify right side
    403,620.04x = 123,839,258,433.60
  5. Step 5: Solve for x
    x = 123,839,258,433.60/403,620.04
  6. Step 6: Final answer
    x = 306,821.38

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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.