Home / 1,289,243.77-1,932,663.66-435,718.60

Finding the Fourth Proportional to 1,289,243.77, 1,932,663.66 and 435,718.60

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Solution

The fourth proportional to 1,289,243.77, 1,932,663.66 and 435,718.60 is: 653,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,243.77 : 1,932,663.66 = 435,718.60 : x
  2. Step 2: Convert to fraction form
    1,289,243.77/1,932,663.66 = 435,718.60/x
  3. Step 3: Cross multiply
    1,289,243.77x = 1,932,663.66 × 435,718.60
  4. Step 4: Simplify right side
    1,289,243.77x = 842,097,504,206.08
  5. Step 5: Solve for x
    x = 842,097,504,206.08/1,289,243.77
  6. Step 6: Final answer
    x = 653,171.67

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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.