Home / 898,866.06-1,240,933.41-612,806.46

Finding the Fourth Proportional to 898,866.06, 1,240,933.41 and 612,806.46

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Solution

The fourth proportional to 898,866.06, 1,240,933.41 and 612,806.46 is: 846,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,866.06 : 1,240,933.41 = 612,806.46 : x
  2. Step 2: Convert to fraction form
    898,866.06/1,240,933.41 = 612,806.46/x
  3. Step 3: Cross multiply
    898,866.06x = 1,240,933.41 × 612,806.46
  4. Step 4: Simplify right side
    898,866.06x = 760,452,010,077.83
  5. Step 5: Solve for x
    x = 760,452,010,077.83/898,866.06
  6. Step 6: Final answer
    x = 846,012.60

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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.