Home / 1,470,431.39-2,029,203.39-825,851.64

Finding the Fourth Proportional to 1,470,431.39, 2,029,203.39 and 825,851.64

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Solution

The fourth proportional to 1,470,431.39, 2,029,203.39 and 825,851.64 is: 1,139,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,431.39 : 2,029,203.39 = 825,851.64 : x
  2. Step 2: Convert to fraction form
    1,470,431.39/2,029,203.39 = 825,851.64/x
  3. Step 3: Cross multiply
    1,470,431.39x = 2,029,203.39 × 825,851.64
  4. Step 4: Simplify right side
    1,470,431.39x = 1,675,820,943,963.68
  5. Step 5: Solve for x
    x = 1,675,820,943,963.68/1,470,431.39
  6. Step 6: Final answer
    x = 1,139,679.80

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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.