Home / 1,959,732.72-2,939,996.52-611,840.88

Finding the Fourth Proportional to 1,959,732.72, 2,939,996.52 and 611,840.88

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Solution

The fourth proportional to 1,959,732.72, 2,939,996.52 and 611,840.88 is: 917,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,732.72 : 2,939,996.52 = 611,840.88 : x
  2. Step 2: Convert to fraction form
    1,959,732.72/2,939,996.52 = 611,840.88/x
  3. Step 3: Cross multiply
    1,959,732.72x = 2,939,996.52 × 611,840.88
  4. Step 4: Simplify right side
    1,959,732.72x = 1,798,810,057,993.74
  5. Step 5: Solve for x
    x = 1,798,810,057,993.74/1,959,732.72
  6. Step 6: Final answer
    x = 917,885.40

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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.