Home / 1,198,806.40-1,650,984.96-1,172,679.04

Finding the Fourth Proportional to 1,198,806.40, 1,650,984.96 and 1,172,679.04

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Solution

The fourth proportional to 1,198,806.40, 1,650,984.96 and 1,172,679.04 is: 1,615,002.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,806.40 : 1,650,984.96 = 1,172,679.04 : x
  2. Step 2: Convert to fraction form
    1,198,806.40/1,650,984.96 = 1,172,679.04/x
  3. Step 3: Cross multiply
    1,198,806.40x = 1,650,984.96 × 1,172,679.04
  4. Step 4: Simplify right side
    1,198,806.40x = 1,936,075,457,947.24
  5. Step 5: Solve for x
    x = 1,936,075,457,947.24/1,198,806.40
  6. Step 6: Final answer
    x = 1,615,002.60

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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.