Home / 1,393,166.28-1,922,779.61-849,617.37

Finding the Fourth Proportional to 1,393,166.28, 1,922,779.61 and 849,617.37

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Solution

The fourth proportional to 1,393,166.28, 1,922,779.61 and 849,617.37 is: 1,172,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,166.28 : 1,922,779.61 = 849,617.37 : x
  2. Step 2: Convert to fraction form
    1,393,166.28/1,922,779.61 = 849,617.37/x
  3. Step 3: Cross multiply
    1,393,166.28x = 1,922,779.61 × 849,617.37
  4. Step 4: Simplify right side
    1,393,166.28x = 1,633,626,954,275.80
  5. Step 5: Solve for x
    x = 1,633,626,954,275.80/1,393,166.28
  6. Step 6: Final answer
    x = 1,172,600.13

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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.