Home / 1,464,447.87-2,196,606.20-399,486.51

Finding the Fourth Proportional to 1,464,447.87, 2,196,606.20 and 399,486.51

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Solution

The fourth proportional to 1,464,447.87, 2,196,606.20 and 399,486.51 is: 599,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,447.87 : 2,196,606.20 = 399,486.51 : x
  2. Step 2: Convert to fraction form
    1,464,447.87/2,196,606.20 = 399,486.51/x
  3. Step 3: Cross multiply
    1,464,447.87x = 2,196,606.20 × 399,486.51
  4. Step 4: Simplify right side
    1,464,447.87x = 877,514,542,684.93
  5. Step 5: Solve for x
    x = 877,514,542,684.93/1,464,447.87
  6. Step 6: Final answer
    x = 599,211.87

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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.