Home / 1,461,189.63-2,016,503.97-816,609.80

Finding the Fourth Proportional to 1,461,189.63, 2,016,503.97 and 816,609.80

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Solution

The fourth proportional to 1,461,189.63, 2,016,503.97 and 816,609.80 is: 1,126,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,189.63 : 2,016,503.97 = 816,609.80 : x
  2. Step 2: Convert to fraction form
    1,461,189.63/2,016,503.97 = 816,609.80/x
  3. Step 3: Cross multiply
    1,461,189.63x = 2,016,503.97 × 816,609.80
  4. Step 4: Simplify right side
    1,461,189.63x = 1,646,696,905,619.88
  5. Step 5: Solve for x
    x = 1,646,696,905,619.88/1,461,189.63
  6. Step 6: Final answer
    x = 1,126,956.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.