Home / 496,723.51-685,459.41-281,850.76

Finding the Fourth Proportional to 496,723.51, 685,459.41 and 281,850.76

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Solution

The fourth proportional to 496,723.51, 685,459.41 and 281,850.76 is: 388,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,723.51 : 685,459.41 = 281,850.76 : x
  2. Step 2: Convert to fraction form
    496,723.51/685,459.41 = 281,850.76/x
  3. Step 3: Cross multiply
    496,723.51x = 685,459.41 × 281,850.76
  4. Step 4: Simplify right side
    496,723.51x = 193,197,252,230.36
  5. Step 5: Solve for x
    x = 193,197,252,230.36/496,723.51
  6. Step 6: Final answer
    x = 388,943.25

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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.