Home / 1,825,128.29-2,518,611.03-998,173.60

Finding the Fourth Proportional to 1,825,128.29, 2,518,611.03 and 998,173.60

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Solution

The fourth proportional to 1,825,128.29, 2,518,611.03 and 998,173.60 is: 1,377,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,128.29 : 2,518,611.03 = 998,173.60 : x
  2. Step 2: Convert to fraction form
    1,825,128.29/2,518,611.03 = 998,173.60/x
  3. Step 3: Cross multiply
    1,825,128.29x = 2,518,611.03 × 998,173.60
  4. Step 4: Simplify right side
    1,825,128.29x = 2,514,011,032,518.28
  5. Step 5: Solve for x
    x = 2,514,011,032,518.28/1,825,128.29
  6. Step 6: Final answer
    x = 1,377,443.46

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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.