Home / 899,183.42-1,240,858.46-491,276.50

Finding the Fourth Proportional to 899,183.42, 1,240,858.46 and 491,276.50

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Solution

The fourth proportional to 899,183.42, 1,240,858.46 and 491,276.50 is: 677,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,183.42 : 1,240,858.46 = 491,276.50 : x
  2. Step 2: Convert to fraction form
    899,183.42/1,240,858.46 = 491,276.50/x
  3. Step 3: Cross multiply
    899,183.42x = 1,240,858.46 × 491,276.50
  4. Step 4: Simplify right side
    899,183.42x = 609,604,601,224.19
  5. Step 5: Solve for x
    x = 609,604,601,224.19/899,183.42
  6. Step 6: Final answer
    x = 677,953.56

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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.