Home / 827,179.74-1,141,427.43-464,521.14

Finding the Fourth Proportional to 827,179.74, 1,141,427.43 and 464,521.14

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Solution

The fourth proportional to 827,179.74, 1,141,427.43 and 464,521.14 is: 640,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,179.74 : 1,141,427.43 = 464,521.14 : x
  2. Step 2: Convert to fraction form
    827,179.74/1,141,427.43 = 464,521.14/x
  3. Step 3: Cross multiply
    827,179.74x = 1,141,427.43 × 464,521.14
  4. Step 4: Simplify right side
    827,179.74x = 530,217,171,010.87
  5. Step 5: Solve for x
    x = 530,217,171,010.87/827,179.74
  6. Step 6: Final answer
    x = 640,993.90

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1.5x scale

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.