Home / 651,506.36-976,178.66-461,022.30

Finding the Fourth Proportional to 651,506.36, 976,178.66 and 461,022.30

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Solution

The fourth proportional to 651,506.36, 976,178.66 and 461,022.30 is: 690,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,506.36 : 976,178.66 = 461,022.30 : x
  2. Step 2: Convert to fraction form
    651,506.36/976,178.66 = 461,022.30/x
  3. Step 3: Cross multiply
    651,506.36x = 976,178.66 × 461,022.30
  4. Step 4: Simplify right side
    651,506.36x = 450,040,128,739.01
  5. Step 5: Solve for x
    x = 450,040,128,739.01/651,506.36
  6. Step 6: Final answer
    x = 690,768.59

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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.