Home / 867,190.65-1,196,629.47-479,944.53

Finding the Fourth Proportional to 867,190.65, 1,196,629.47 and 479,944.53

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Solution

The fourth proportional to 867,190.65, 1,196,629.47 and 479,944.53 is: 662,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,190.65 : 1,196,629.47 = 479,944.53 : x
  2. Step 2: Convert to fraction form
    867,190.65/1,196,629.47 = 479,944.53/x
  3. Step 3: Cross multiply
    867,190.65x = 1,196,629.47 × 479,944.53
  4. Step 4: Simplify right side
    867,190.65x = 574,315,768,563.30
  5. Step 5: Solve for x
    x = 574,315,768,563.30/867,190.65
  6. Step 6: Final answer
    x = 662,271.63

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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.