Home / 496,899.72-685,724.85-282,043.35

Finding the Fourth Proportional to 496,899.72, 685,724.85 and 282,043.35

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Solution

The fourth proportional to 496,899.72, 685,724.85 and 282,043.35 is: 389,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,899.72 : 685,724.85 = 282,043.35 : x
  2. Step 2: Convert to fraction form
    496,899.72/685,724.85 = 282,043.35/x
  3. Step 3: Cross multiply
    496,899.72x = 685,724.85 × 282,043.35
  4. Step 4: Simplify right side
    496,899.72x = 193,404,133,872.25
  5. Step 5: Solve for x
    x = 193,404,133,872.25/496,899.72
  6. Step 6: Final answer
    x = 389,221.66

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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.