Home / 476,612.20-715,082.12-298,911.16

Finding the Fourth Proportional to 476,612.20, 715,082.12 and 298,911.16

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Solution

The fourth proportional to 476,612.20, 715,082.12 and 298,911.16 is: 448,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,612.20 : 715,082.12 = 298,911.16 : x
  2. Step 2: Convert to fraction form
    476,612.20/715,082.12 = 298,911.16/x
  3. Step 3: Cross multiply
    476,612.20x = 715,082.12 × 298,911.16
  4. Step 4: Simplify right side
    476,612.20x = 213,746,020,914.49
  5. Step 5: Solve for x
    x = 213,746,020,914.49/476,612.20
  6. Step 6: Final answer
    x = 448,469.48

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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.