Home / 1,298,976.35-1,947,966.37-445,889.00

Finding the Fourth Proportional to 1,298,976.35, 1,947,966.37 and 445,889.00

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Solution

The fourth proportional to 1,298,976.35, 1,947,966.37 and 445,889.00 is: 668,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,976.35 : 1,947,966.37 = 445,889.00 : x
  2. Step 2: Convert to fraction form
    1,298,976.35/1,947,966.37 = 445,889.00/x
  3. Step 3: Cross multiply
    1,298,976.35x = 1,947,966.37 × 445,889.00
  4. Step 4: Simplify right side
    1,298,976.35x = 868,576,780,508.12
  5. Step 5: Solve for x
    x = 868,576,780,508.12/1,298,976.35
  6. Step 6: Final answer
    x = 668,662.51

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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.