Home / 1,162,031.85-1,743,148.21-320,583.60

Finding the Fourth Proportional to 1,162,031.85, 1,743,148.21 and 320,583.60

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Solution

The fourth proportional to 1,162,031.85, 1,743,148.21 and 320,583.60 is: 480,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,031.85 : 1,743,148.21 = 320,583.60 : x
  2. Step 2: Convert to fraction form
    1,162,031.85/1,743,148.21 = 320,583.60/x
  3. Step 3: Cross multiply
    1,162,031.85x = 1,743,148.21 × 320,583.60
  4. Step 4: Simplify right side
    1,162,031.85x = 558,824,728,495.36
  5. Step 5: Solve for x
    x = 558,824,728,495.36/1,162,031.85
  6. Step 6: Final answer
    x = 480,903.11

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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.