Home / 817,118.44-1,127,632.06-449,600.34

Finding the Fourth Proportional to 817,118.44, 1,127,632.06 and 449,600.34

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Solution

The fourth proportional to 817,118.44, 1,127,632.06 and 449,600.34 is: 620,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,118.44 : 1,127,632.06 = 449,600.34 : x
  2. Step 2: Convert to fraction form
    817,118.44/1,127,632.06 = 449,600.34/x
  3. Step 3: Cross multiply
    817,118.44x = 1,127,632.06 × 449,600.34
  4. Step 4: Simplify right side
    817,118.44x = 506,983,757,570.90
  5. Step 5: Solve for x
    x = 506,983,757,570.90/817,118.44
  6. Step 6: Final answer
    x = 620,453.21

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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.