Home / 460,946.24-691,419.36-145,435.04

Finding the Fourth Proportional to 460,946.24, 691,419.36 and 145,435.04

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Solution

The fourth proportional to 460,946.24, 691,419.36 and 145,435.04 is: 218,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,946.24 : 691,419.36 = 145,435.04 : x
  2. Step 2: Convert to fraction form
    460,946.24/691,419.36 = 145,435.04/x
  3. Step 3: Cross multiply
    460,946.24x = 691,419.36 × 145,435.04
  4. Step 4: Simplify right side
    460,946.24x = 100,556,602,278.37
  5. Step 5: Solve for x
    x = 100,556,602,278.37/460,946.24
  6. Step 6: Final answer
    x = 218,152.56

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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.