Home / 767,034.82-1,058,544.30-427,505.50

Finding the Fourth Proportional to 767,034.82, 1,058,544.30 and 427,505.50

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Solution

The fourth proportional to 767,034.82, 1,058,544.30 and 427,505.50 is: 589,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,034.82 : 1,058,544.30 = 427,505.50 : x
  2. Step 2: Convert to fraction form
    767,034.82/1,058,544.30 = 427,505.50/x
  3. Step 3: Cross multiply
    767,034.82x = 1,058,544.30 × 427,505.50
  4. Step 4: Simplify right side
    767,034.82x = 452,533,510,243.65
  5. Step 5: Solve for x
    x = 452,533,510,243.65/767,034.82
  6. Step 6: Final answer
    x = 589,977.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.