Home / 866,290.77-1,299,525.29-327,001.28

Finding the Fourth Proportional to 866,290.77, 1,299,525.29 and 327,001.28

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Solution

The fourth proportional to 866,290.77, 1,299,525.29 and 327,001.28 is: 490,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,290.77 : 1,299,525.29 = 327,001.28 : x
  2. Step 2: Convert to fraction form
    866,290.77/1,299,525.29 = 327,001.28/x
  3. Step 3: Cross multiply
    866,290.77x = 1,299,525.29 × 327,001.28
  4. Step 4: Simplify right side
    866,290.77x = 424,946,430,791.06
  5. Step 5: Solve for x
    x = 424,946,430,791.06/866,290.77
  6. Step 6: Final answer
    x = 490,535.56

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1.5x scale

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.