Home / 403,616.04-556,993.98-222,328.80

Finding the Fourth Proportional to 403,616.04, 556,993.98 and 222,328.80

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Solution

The fourth proportional to 403,616.04, 556,993.98 and 222,328.80 is: 306,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,616.04 : 556,993.98 = 222,328.80 : x
  2. Step 2: Convert to fraction form
    403,616.04/556,993.98 = 222,328.80/x
  3. Step 3: Cross multiply
    403,616.04x = 556,993.98 × 222,328.80
  4. Step 4: Simplify right side
    403,616.04x = 123,835,803,180.62
  5. Step 5: Solve for x
    x = 123,835,803,180.62/403,616.04
  6. Step 6: Final answer
    x = 306,815.86

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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.