Home / 370,712.24-555,983.08-220,994.80

Finding the Fourth Proportional to 370,712.24, 555,983.08 and 220,994.80

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Solution

The fourth proportional to 370,712.24, 555,983.08 and 220,994.80 is: 331,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,712.24 : 555,983.08 = 220,994.80 : x
  2. Step 2: Convert to fraction form
    370,712.24/555,983.08 = 220,994.80/x
  3. Step 3: Cross multiply
    370,712.24x = 555,983.08 × 220,994.80
  4. Step 4: Simplify right side
    370,712.24x = 122,869,369,567.98
  5. Step 5: Solve for x
    x = 122,869,369,567.98/370,712.24
  6. Step 6: Final answer
    x = 331,441.36

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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.