Home / 464,912.28-641,588.40-260,977.89

Finding the Fourth Proportional to 464,912.28, 641,588.40 and 260,977.89

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Solution

The fourth proportional to 464,912.28, 641,588.40 and 260,977.89 is: 360,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,912.28 : 641,588.40 = 260,977.89 : x
  2. Step 2: Convert to fraction form
    464,912.28/641,588.40 = 260,977.89/x
  3. Step 3: Cross multiply
    464,912.28x = 641,588.40 × 260,977.89
  4. Step 4: Simplify right side
    464,912.28x = 167,440,386,880.48
  5. Step 5: Solve for x
    x = 167,440,386,880.48/464,912.28
  6. Step 6: Final answer
    x = 360,154.79

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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.