Home / 496,724.01-685,460.10-281,851.26

Finding the Fourth Proportional to 496,724.01, 685,460.10 and 281,851.26

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Solution

The fourth proportional to 496,724.01, 685,460.10 and 281,851.26 is: 388,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,724.01 : 685,460.10 = 281,851.26 : x
  2. Step 2: Convert to fraction form
    496,724.01/685,460.10 = 281,851.26/x
  3. Step 3: Cross multiply
    496,724.01x = 685,460.10 × 281,851.26
  4. Step 4: Simplify right side
    496,724.01x = 193,197,792,864.73
  5. Step 5: Solve for x
    x = 193,197,792,864.73/496,724.01
  6. Step 6: Final answer
    x = 388,943.94

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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.