Home / 1,179,266-1,769,175.48-391,298

Finding the Fourth Proportional to 1,179,266, 1,769,175.48 and 391,298

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Solution

The fourth proportional to 1,179,266, 1,769,175.48 and 391,298 is: 587,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,266 : 1,769,175.48 = 391,298 : x
  2. Step 2: Convert to fraction form
    1,179,266/1,769,175.48 = 391,298/x
  3. Step 3: Cross multiply
    1,179,266x = 1,769,175.48 × 391,298
  4. Step 4: Simplify right side
    1,179,266x = 692,274,826,973.04
  5. Step 5: Solve for x
    x = 692,274,826,973.04/1,179,266
  6. Step 6: Final answer
    x = 587,038.74

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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.