Home / 476,613.20-715,083.62-298,912.16

Finding the Fourth Proportional to 476,613.20, 715,083.62 and 298,912.16

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Solution

The fourth proportional to 476,613.20, 715,083.62 and 298,912.16 is: 448,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,613.20 : 715,083.62 = 298,912.16 : x
  2. Step 2: Convert to fraction form
    476,613.20/715,083.62 = 298,912.16/x
  3. Step 3: Cross multiply
    476,613.20x = 715,083.62 × 298,912.16
  4. Step 4: Simplify right side
    476,613.20x = 213,747,184,364.84
  5. Step 5: Solve for x
    x = 213,747,184,364.84/476,613.20
  6. Step 6: Final answer
    x = 448,470.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.