Home / 1,081,546.42-1,622,548.07-407,613.46

Finding the Fourth Proportional to 1,081,546.42, 1,622,548.07 and 407,613.46

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Solution

The fourth proportional to 1,081,546.42, 1,622,548.07 and 407,613.46 is: 611,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,546.42 : 1,622,548.07 = 407,613.46 : x
  2. Step 2: Convert to fraction form
    1,081,546.42/1,622,548.07 = 407,613.46/x
  3. Step 3: Cross multiply
    1,081,546.42x = 1,622,548.07 × 407,613.46
  4. Step 4: Simplify right side
    1,081,546.42x = 661,372,432,829.02
  5. Step 5: Solve for x
    x = 661,372,432,829.02/1,081,546.42
  6. Step 6: Final answer
    x = 611,506.28

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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.