Home / 460,775.69-691,288.07-140,938.79

Finding the Fourth Proportional to 460,775.69, 691,288.07 and 140,938.79

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Solution

The fourth proportional to 460,775.69, 691,288.07 and 140,938.79 is: 211,446.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,775.69 : 691,288.07 = 140,938.79 : x
  2. Step 2: Convert to fraction form
    460,775.69/691,288.07 = 140,938.79/x
  3. Step 3: Cross multiply
    460,775.69x = 691,288.07 × 140,938.79
  4. Step 4: Simplify right side
    460,775.69x = 97,429,300,758.88
  5. Step 5: Solve for x
    x = 97,429,300,758.88/460,775.69
  6. Step 6: Final answer
    x = 211,446.27

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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.