Home / 460,742.34-690,828.38-179,929.38

Finding the Fourth Proportional to 460,742.34, 690,828.38 and 179,929.38

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Solution

The fourth proportional to 460,742.34, 690,828.38 and 179,929.38 is: 269,782.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,742.34 : 690,828.38 = 179,929.38 : x
  2. Step 2: Convert to fraction form
    460,742.34/690,828.38 = 179,929.38/x
  3. Step 3: Cross multiply
    460,742.34x = 690,828.38 × 179,929.38
  4. Step 4: Simplify right side
    460,742.34x = 124,300,318,645.66
  5. Step 5: Solve for x
    x = 124,300,318,645.66/460,742.34
  6. Step 6: Final answer
    x = 269,782.72

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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.