Home / 403,589.04-556,956.72-222,301.74

Finding the Fourth Proportional to 403,589.04, 556,956.72 and 222,301.74

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Solution

The fourth proportional to 403,589.04, 556,956.72 and 222,301.74 is: 306,778.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,589.04 : 556,956.72 = 222,301.74 : x
  2. Step 2: Convert to fraction form
    403,589.04/556,956.72 = 222,301.74/x
  3. Step 3: Cross multiply
    403,589.04x = 556,956.72 × 222,301.74
  4. Step 4: Simplify right side
    403,589.04x = 123,812,447,960.69
  5. Step 5: Solve for x
    x = 123,812,447,960.69/403,589.04
  6. Step 6: Final answer
    x = 306,778.52

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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.