Home / 1,201,862.77-1,658,662.73-685,628.03

Finding the Fourth Proportional to 1,201,862.77, 1,658,662.73 and 685,628.03

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Solution

The fourth proportional to 1,201,862.77, 1,658,662.73 and 685,628.03 is: 946,219.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,862.77 : 1,658,662.73 = 685,628.03 : x
  2. Step 2: Convert to fraction form
    1,201,862.77/1,658,662.73 = 685,628.03/x
  3. Step 3: Cross multiply
    1,201,862.77x = 1,658,662.73 × 685,628.03
  4. Step 4: Simplify right side
    1,201,862.77x = 1,137,225,657,820.62
  5. Step 5: Solve for x
    x = 1,137,225,657,820.62/1,201,862.77
  6. Step 6: Final answer
    x = 946,219.23

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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.