Home / 1,939,076.40-2,908,760.40-519,101.04

Finding the Fourth Proportional to 1,939,076.40, 2,908,760.40 and 519,101.04

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Solution

The fourth proportional to 1,939,076.40, 2,908,760.40 and 519,101.04 is: 778,690.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,076.40 : 2,908,760.40 = 519,101.04 : x
  2. Step 2: Convert to fraction form
    1,939,076.40/2,908,760.40 = 519,101.04/x
  3. Step 3: Cross multiply
    1,939,076.40x = 2,908,760.40 × 519,101.04
  4. Step 4: Simplify right side
    1,939,076.40x = 1,509,940,548,750.82
  5. Step 5: Solve for x
    x = 1,509,940,548,750.82/1,939,076.40
  6. Step 6: Final answer
    x = 778,690.59

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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.