Home / 651,621.30-977,504.85-202,338.60

Finding the Fourth Proportional to 651,621.30, 977,504.85 and 202,338.60

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Solution

The fourth proportional to 651,621.30, 977,504.85 and 202,338.60 is: 303,530.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,621.30 : 977,504.85 = 202,338.60 : x
  2. Step 2: Convert to fraction form
    651,621.30/977,504.85 = 202,338.60/x
  3. Step 3: Cross multiply
    651,621.30x = 977,504.85 × 202,338.60
  4. Step 4: Simplify right side
    651,621.30x = 197,786,962,842.21
  5. Step 5: Solve for x
    x = 197,786,962,842.21/651,621.30
  6. Step 6: Final answer
    x = 303,530.54

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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.