Home / 1,112,107.12-1,534,612.43-647,047.04

Finding the Fourth Proportional to 1,112,107.12, 1,534,612.43 and 647,047.04

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Solution

The fourth proportional to 1,112,107.12, 1,534,612.43 and 647,047.04 is: 892,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,107.12 : 1,534,612.43 = 647,047.04 : x
  2. Step 2: Convert to fraction form
    1,112,107.12/1,534,612.43 = 647,047.04/x
  3. Step 3: Cross multiply
    1,112,107.12x = 1,534,612.43 × 647,047.04
  4. Step 4: Simplify right side
    1,112,107.12x = 992,966,424,323.26
  5. Step 5: Solve for x
    x = 992,966,424,323.26/1,112,107.12
  6. Step 6: Final answer
    x = 892,869.41

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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.