Home / 1,461,152.82-2,016,480.42-816,624.48

Finding the Fourth Proportional to 1,461,152.82, 2,016,480.42 and 816,624.48

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Solution

The fourth proportional to 1,461,152.82, 2,016,480.42 and 816,624.48 is: 1,126,991.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,152.82 : 2,016,480.42 = 816,624.48 : x
  2. Step 2: Convert to fraction form
    1,461,152.82/2,016,480.42 = 816,624.48/x
  3. Step 3: Cross multiply
    1,461,152.82x = 2,016,480.42 × 816,624.48
  4. Step 4: Simplify right side
    1,461,152.82x = 1,646,707,274,412.68
  5. Step 5: Solve for x
    x = 1,646,707,274,412.68/1,461,152.82
  6. Step 6: Final answer
    x = 1,126,991.82

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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.