Home / 1,661,675.77-2,492,513.65-399,503.39

Finding the Fourth Proportional to 1,661,675.77, 2,492,513.65 and 399,503.39

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Solution

The fourth proportional to 1,661,675.77, 2,492,513.65 and 399,503.39 is: 599,255.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,675.77 : 2,492,513.65 = 399,503.39 : x
  2. Step 2: Convert to fraction form
    1,661,675.77/2,492,513.65 = 399,503.39/x
  3. Step 3: Cross multiply
    1,661,675.77x = 2,492,513.65 × 399,503.39
  4. Step 4: Simplify right side
    1,661,675.77x = 995,767,653,729.87
  5. Step 5: Solve for x
    x = 995,767,653,729.87/1,661,675.77
  6. Step 6: Final answer
    x = 599,255.09

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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.