Home / 846,119.41-1,269,183.43-285,158.77

Finding the Fourth Proportional to 846,119.41, 1,269,183.43 and 285,158.77

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Solution

The fourth proportional to 846,119.41, 1,269,183.43 and 285,158.77 is: 427,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,119.41 : 1,269,183.43 = 285,158.77 : x
  2. Step 2: Convert to fraction form
    846,119.41/1,269,183.43 = 285,158.77/x
  3. Step 3: Cross multiply
    846,119.41x = 1,269,183.43 × 285,158.77
  4. Step 4: Simplify right side
    846,119.41x = 361,918,779,457.26
  5. Step 5: Solve for x
    x = 361,918,779,457.26/846,119.41
  6. Step 6: Final answer
    x = 427,739.60

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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.