Home / 492,317.18-679,559.19-298,733.66

Finding the Fourth Proportional to 492,317.18, 679,559.19 and 298,733.66

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Solution

The fourth proportional to 492,317.18, 679,559.19 and 298,733.66 is: 412,350.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,317.18 : 679,559.19 = 298,733.66 : x
  2. Step 2: Convert to fraction form
    492,317.18/679,559.19 = 298,733.66/x
  3. Step 3: Cross multiply
    492,317.18x = 679,559.19 × 298,733.66
  4. Step 4: Simplify right side
    492,317.18x = 203,007,204,015.34
  5. Step 5: Solve for x
    x = 203,007,204,015.34/492,317.18
  6. Step 6: Final answer
    x = 412,350.44

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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.