Home / 1,298,226.56-1,947,399.98-399,708.54

Finding the Fourth Proportional to 1,298,226.56, 1,947,399.98 and 399,708.54

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Solution

The fourth proportional to 1,298,226.56, 1,947,399.98 and 399,708.54 is: 599,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,226.56 : 1,947,399.98 = 399,708.54 : x
  2. Step 2: Convert to fraction form
    1,298,226.56/1,947,399.98 = 399,708.54/x
  3. Step 3: Cross multiply
    1,298,226.56x = 1,947,399.98 × 399,708.54
  4. Step 4: Simplify right side
    1,298,226.56x = 778,392,400,803.29
  5. Step 5: Solve for x
    x = 778,392,400,803.29/1,298,226.56
  6. Step 6: Final answer
    x = 599,581.33

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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.