Home / 1,274,549.40-1,911,824.10-1,097,256.60

Finding the Fourth Proportional to 1,274,549.40, 1,911,824.10 and 1,097,256.60

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Solution

The fourth proportional to 1,274,549.40, 1,911,824.10 and 1,097,256.60 is: 1,645,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,549.40 : 1,911,824.10 = 1,097,256.60 : x
  2. Step 2: Convert to fraction form
    1,274,549.40/1,911,824.10 = 1,097,256.60/x
  3. Step 3: Cross multiply
    1,274,549.40x = 1,911,824.10 × 1,097,256.60
  4. Step 4: Simplify right side
    1,274,549.40x = 2,097,761,611,764.06
  5. Step 5: Solve for x
    x = 2,097,761,611,764.06/1,274,549.40
  6. Step 6: Final answer
    x = 1,645,884.90

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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.