Home / 702,490.77-1,053,736.20-170,011.89

Finding the Fourth Proportional to 702,490.77, 1,053,736.20 and 170,011.89

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Solution

The fourth proportional to 702,490.77, 1,053,736.20 and 170,011.89 is: 255,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,490.77 : 1,053,736.20 = 170,011.89 : x
  2. Step 2: Convert to fraction form
    702,490.77/1,053,736.20 = 170,011.89/x
  3. Step 3: Cross multiply
    702,490.77x = 1,053,736.20 × 170,011.89
  4. Step 4: Simplify right side
    702,490.77x = 179,147,682,923.42
  5. Step 5: Solve for x
    x = 179,147,682,923.42/702,490.77
  6. Step 6: Final answer
    x = 255,017.85

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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.