Home / 403,586.34-556,949.79-222,298.77

Finding the Fourth Proportional to 403,586.34, 556,949.79 and 222,298.77

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Solution

The fourth proportional to 403,586.34, 556,949.79 and 222,298.77 is: 306,772.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,586.34 : 556,949.79 = 222,298.77 : x
  2. Step 2: Convert to fraction form
    403,586.34/556,949.79 = 222,298.77/x
  3. Step 3: Cross multiply
    403,586.34x = 556,949.79 × 222,298.77
  4. Step 4: Simplify right side
    403,586.34x = 123,809,253,268.76
  5. Step 5: Solve for x
    x = 123,809,253,268.76/403,586.34
  6. Step 6: Final answer
    x = 306,772.66

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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.