Home / 867,098.75-1,196,617.53-485,150.27

Finding the Fourth Proportional to 867,098.75, 1,196,617.53 and 485,150.27

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Solution

The fourth proportional to 867,098.75, 1,196,617.53 and 485,150.27 is: 669,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,098.75 : 1,196,617.53 = 485,150.27 : x
  2. Step 2: Convert to fraction form
    867,098.75/1,196,617.53 = 485,150.27/x
  3. Step 3: Cross multiply
    867,098.75x = 1,196,617.53 × 485,150.27
  4. Step 4: Simplify right side
    867,098.75x = 580,539,311,783.15
  5. Step 5: Solve for x
    x = 580,539,311,783.15/867,098.75
  6. Step 6: Final answer
    x = 669,519.26

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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.