Home / 404,738.56-558,539.36-223,450.64

Finding the Fourth Proportional to 404,738.56, 558,539.36 and 223,450.64

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Solution

The fourth proportional to 404,738.56, 558,539.36 and 223,450.64 is: 308,361.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,738.56 : 558,539.36 = 223,450.64 : x
  2. Step 2: Convert to fraction form
    404,738.56/558,539.36 = 223,450.64/x
  3. Step 3: Cross multiply
    404,738.56x = 558,539.36 × 223,450.64
  4. Step 4: Simplify right side
    404,738.56x = 124,805,977,457.19
  5. Step 5: Solve for x
    x = 124,805,977,457.19/404,738.56
  6. Step 6: Final answer
    x = 308,361.96

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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.