Home / 1,665,009.80-2,497,514.70-543,078.80

Finding the Fourth Proportional to 1,665,009.80, 2,497,514.70 and 543,078.80

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Solution

The fourth proportional to 1,665,009.80, 2,497,514.70 and 543,078.80 is: 814,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,009.80 : 2,497,514.70 = 543,078.80 : x
  2. Step 2: Convert to fraction form
    1,665,009.80/2,497,514.70 = 543,078.80/x
  3. Step 3: Cross multiply
    1,665,009.80x = 2,497,514.70 × 543,078.80
  4. Step 4: Simplify right side
    1,665,009.80x = 1,356,347,286,258.36
  5. Step 5: Solve for x
    x = 1,356,347,286,258.36/1,665,009.80
  6. Step 6: Final answer
    x = 814,618.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.