Home / 619,290.89-928,937.73-170,017.91

Finding the Fourth Proportional to 619,290.89, 928,937.73 and 170,017.91

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Solution

The fourth proportional to 619,290.89, 928,937.73 and 170,017.91 is: 255,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,290.89 : 928,937.73 = 170,017.91 : x
  2. Step 2: Convert to fraction form
    619,290.89/928,937.73 = 170,017.91/x
  3. Step 3: Cross multiply
    619,290.89x = 928,937.73 × 170,017.91
  4. Step 4: Simplify right side
    619,290.89x = 157,936,046,730.06
  5. Step 5: Solve for x
    x = 157,936,046,730.06/619,290.89
  6. Step 6: Final answer
    x = 255,027.24

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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.