Home / 507,936.80-761,974.96-171,003.68

Finding the Fourth Proportional to 507,936.80, 761,974.96 and 171,003.68

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Solution

The fourth proportional to 507,936.80, 761,974.96 and 171,003.68 is: 256,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,936.80 : 761,974.96 = 171,003.68 : x
  2. Step 2: Convert to fraction form
    507,936.80/761,974.96 = 171,003.68/x
  3. Step 3: Cross multiply
    507,936.80x = 761,974.96 × 171,003.68
  4. Step 4: Simplify right side
    507,936.80x = 130,300,522,227.85
  5. Step 5: Solve for x
    x = 130,300,522,227.85/507,936.80
  6. Step 6: Final answer
    x = 256,529.01

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1.5x scale

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.