Home / 619,936.74-929,017.86-353,146.03

Finding the Fourth Proportional to 619,936.74, 929,017.86 and 353,146.03

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Solution

The fourth proportional to 619,936.74, 929,017.86 and 353,146.03 is: 529,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,936.74 : 929,017.86 = 353,146.03 : x
  2. Step 2: Convert to fraction form
    619,936.74/929,017.86 = 353,146.03/x
  3. Step 3: Cross multiply
    619,936.74x = 929,017.86 × 353,146.03
  4. Step 4: Simplify right side
    619,936.74x = 328,078,965,411.25
  5. Step 5: Solve for x
    x = 328,078,965,411.25/619,936.74
  6. Step 6: Final answer
    x = 529,213.62

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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.