Home / 404,741.89-558,544.64-223,454.17

Finding the Fourth Proportional to 404,741.89, 558,544.64 and 223,454.17

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Solution

The fourth proportional to 404,741.89, 558,544.64 and 223,454.17 is: 308,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,741.89 : 558,544.64 = 223,454.17 : x
  2. Step 2: Convert to fraction form
    404,741.89/558,544.64 = 223,454.17/x
  3. Step 3: Cross multiply
    404,741.89x = 558,544.64 × 223,454.17
  4. Step 4: Simplify right side
    404,741.89x = 124,809,128,939.15
  5. Step 5: Solve for x
    x = 124,809,128,939.15/404,741.89
  6. Step 6: Final answer
    x = 308,367.21

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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.