Home / 982,147.14-1,355,377.05-579,739.14

Finding the Fourth Proportional to 982,147.14, 1,355,377.05 and 579,739.14

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Solution

The fourth proportional to 982,147.14, 1,355,377.05 and 579,739.14 is: 800,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,147.14 : 1,355,377.05 = 579,739.14 : x
  2. Step 2: Convert to fraction form
    982,147.14/1,355,377.05 = 579,739.14/x
  3. Step 3: Cross multiply
    982,147.14x = 1,355,377.05 × 579,739.14
  4. Step 4: Simplify right side
    982,147.14x = 785,765,125,342.74
  5. Step 5: Solve for x
    x = 785,765,125,342.74/982,147.14
  6. Step 6: Final answer
    x = 800,048.28

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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.