Home / 1,190,996.44-1,643,585.10-647,132.23

Finding the Fourth Proportional to 1,190,996.44, 1,643,585.10 and 647,132.23

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Solution

The fourth proportional to 1,190,996.44, 1,643,585.10 and 647,132.23 is: 893,047.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,996.44 : 1,643,585.10 = 647,132.23 : x
  2. Step 2: Convert to fraction form
    1,190,996.44/1,643,585.10 = 647,132.23/x
  3. Step 3: Cross multiply
    1,190,996.44x = 1,643,585.10 × 647,132.23
  4. Step 4: Simplify right side
    1,190,996.44x = 1,063,616,882,739.85
  5. Step 5: Solve for x
    x = 1,063,616,882,739.85/1,190,996.44
  6. Step 6: Final answer
    x = 893,047.91

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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.