Home / 1,083,754.80-1,627,187.40-611,362.80

Finding the Fourth Proportional to 1,083,754.80, 1,627,187.40 and 611,362.80

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Solution

The fourth proportional to 1,083,754.80, 1,627,187.40 and 611,362.80 is: 917,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,754.80 : 1,627,187.40 = 611,362.80 : x
  2. Step 2: Convert to fraction form
    1,083,754.80/1,627,187.40 = 611,362.80/x
  3. Step 3: Cross multiply
    1,083,754.80x = 1,627,187.40 × 611,362.80
  4. Step 4: Simplify right side
    1,083,754.80x = 994,801,844,988.72
  5. Step 5: Solve for x
    x = 994,801,844,988.72/1,083,754.80
  6. Step 6: Final answer
    x = 917,921.51

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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.