Home / 1,185,561.69-1,778,343.82-554,918.37

Finding the Fourth Proportional to 1,185,561.69, 1,778,343.82 and 554,918.37

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Solution

The fourth proportional to 1,185,561.69, 1,778,343.82 and 554,918.37 is: 832,378.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,561.69 : 1,778,343.82 = 554,918.37 : x
  2. Step 2: Convert to fraction form
    1,185,561.69/1,778,343.82 = 554,918.37/x
  3. Step 3: Cross multiply
    1,185,561.69x = 1,778,343.82 × 554,918.37
  4. Step 4: Simplify right side
    1,185,561.69x = 986,835,652,506.68
  5. Step 5: Solve for x
    x = 986,835,652,506.68/1,185,561.69
  6. Step 6: Final answer
    x = 832,378.16

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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.