Home / 460,611.36-690,917.04-179,931.78

Finding the Fourth Proportional to 460,611.36, 690,917.04 and 179,931.78

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Solution

The fourth proportional to 460,611.36, 690,917.04 and 179,931.78 is: 269,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,611.36 : 690,917.04 = 179,931.78 : x
  2. Step 2: Convert to fraction form
    460,611.36/690,917.04 = 179,931.78/x
  3. Step 3: Cross multiply
    460,611.36x = 690,917.04 × 179,931.78
  4. Step 4: Simplify right side
    460,611.36x = 124,317,932,839.53
  5. Step 5: Solve for x
    x = 124,317,932,839.53/460,611.36
  6. Step 6: Final answer
    x = 269,897.67

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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.