Home / 651,183.20-977,107.88-310,012.16

Finding the Fourth Proportional to 651,183.20, 977,107.88 and 310,012.16

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Solution

The fourth proportional to 651,183.20, 977,107.88 and 310,012.16 is: 465,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,183.20 : 977,107.88 = 310,012.16 : x
  2. Step 2: Convert to fraction form
    651,183.20/977,107.88 = 310,012.16/x
  3. Step 3: Cross multiply
    651,183.20x = 977,107.88 × 310,012.16
  4. Step 4: Simplify right side
    651,183.20x = 302,915,324,431.82
  5. Step 5: Solve for x
    x = 302,915,324,431.82/651,183.20
  6. Step 6: Final answer
    x = 465,176.81

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1.5x scale

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.