Home / 403,629.08-556,992.45-242,572.73

Finding the Fourth Proportional to 403,629.08, 556,992.45 and 242,572.73

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Solution

The fourth proportional to 403,629.08, 556,992.45 and 242,572.73 is: 334,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,629.08 : 556,992.45 = 242,572.73 : x
  2. Step 2: Convert to fraction form
    403,629.08/556,992.45 = 242,572.73/x
  3. Step 3: Cross multiply
    403,629.08x = 556,992.45 × 242,572.73
  4. Step 4: Simplify right side
    403,629.08x = 135,111,176,400.93
  5. Step 5: Solve for x
    x = 135,111,176,400.93/403,629.08
  6. Step 6: Final answer
    x = 334,740.94

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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.