Home / 496,317.48-685,039.80-281,583.24

Finding the Fourth Proportional to 496,317.48, 685,039.80 and 281,583.24

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Solution

The fourth proportional to 496,317.48, 685,039.80 and 281,583.24 is: 388,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,317.48 : 685,039.80 = 281,583.24 : x
  2. Step 2: Convert to fraction form
    496,317.48/685,039.80 = 281,583.24/x
  3. Step 3: Cross multiply
    496,317.48x = 685,039.80 × 281,583.24
  4. Step 4: Simplify right side
    496,317.48x = 192,895,726,412.95
  5. Step 5: Solve for x
    x = 192,895,726,412.95/496,317.48
  6. Step 6: Final answer
    x = 388,653.90

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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.