Home / 496,811.48-685,370.57-292,723.07

Finding the Fourth Proportional to 496,811.48, 685,370.57 and 292,723.07

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Solution

The fourth proportional to 496,811.48, 685,370.57 and 292,723.07 is: 403,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,811.48 : 685,370.57 = 292,723.07 : x
  2. Step 2: Convert to fraction form
    496,811.48/685,370.57 = 292,723.07/x
  3. Step 3: Cross multiply
    496,811.48x = 685,370.57 × 292,723.07
  4. Step 4: Simplify right side
    496,811.48x = 200,623,772,447.58
  5. Step 5: Solve for x
    x = 200,623,772,447.58/496,811.48
  6. Step 6: Final answer
    x = 403,822.74

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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.