Home / 1,611,612.12-2,223,978.30-886,459.80

Finding the Fourth Proportional to 1,611,612.12, 2,223,978.30 and 886,459.80

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Solution

The fourth proportional to 1,611,612.12, 2,223,978.30 and 886,459.80 is: 1,223,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,612.12 : 2,223,978.30 = 886,459.80 : x
  2. Step 2: Convert to fraction form
    1,611,612.12/2,223,978.30 = 886,459.80/x
  3. Step 3: Cross multiply
    1,611,612.12x = 2,223,978.30 × 886,459.80
  4. Step 4: Simplify right side
    1,611,612.12x = 1,971,467,359,022.34
  5. Step 5: Solve for x
    x = 1,971,467,359,022.34/1,611,612.12
  6. Step 6: Final answer
    x = 1,223,288.99

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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.