Home / 382,454.12-573,422.36-214,090.70

Finding the Fourth Proportional to 382,454.12, 573,422.36 and 214,090.70

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Solution

The fourth proportional to 382,454.12, 573,422.36 and 214,090.70 is: 320,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,454.12 : 573,422.36 = 214,090.70 : x
  2. Step 2: Convert to fraction form
    382,454.12/573,422.36 = 214,090.70/x
  3. Step 3: Cross multiply
    382,454.12x = 573,422.36 × 214,090.70
  4. Step 4: Simplify right side
    382,454.12x = 122,764,390,510.49
  5. Step 5: Solve for x
    x = 122,764,390,510.49/382,454.12
  6. Step 6: Final answer
    x = 320,991.15

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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.