Home / 403,546.92-556,920.03-222,258.81

Finding the Fourth Proportional to 403,546.92, 556,920.03 and 222,258.81

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Solution

The fourth proportional to 403,546.92, 556,920.03 and 222,258.81 is: 306,731.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,546.92 : 556,920.03 = 222,258.81 : x
  2. Step 2: Convert to fraction form
    403,546.92/556,920.03 = 222,258.81/x
  3. Step 3: Cross multiply
    403,546.92x = 556,920.03 × 222,258.81
  4. Step 4: Simplify right side
    403,546.92x = 123,780,379,237.07
  5. Step 5: Solve for x
    x = 123,780,379,237.07/403,546.92
  6. Step 6: Final answer
    x = 306,731.08

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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.