Home / 1,765,673.28-2,436,460.80-991,126.80

Finding the Fourth Proportional to 1,765,673.28, 2,436,460.80 and 991,126.80

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Solution

The fourth proportional to 1,765,673.28, 2,436,460.80 and 991,126.80 is: 1,367,660.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,673.28 : 2,436,460.80 = 991,126.80 : x
  2. Step 2: Convert to fraction form
    1,765,673.28/2,436,460.80 = 991,126.80/x
  3. Step 3: Cross multiply
    1,765,673.28x = 2,436,460.80 × 991,126.80
  4. Step 4: Simplify right side
    1,765,673.28x = 2,414,841,596,029.44
  5. Step 5: Solve for x
    x = 2,414,841,596,029.44/1,765,673.28
  6. Step 6: Final answer
    x = 1,367,660.50

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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.