Home / 1,283,785.20-1,925,159.40-441,903.60

Finding the Fourth Proportional to 1,283,785.20, 1,925,159.40 and 441,903.60

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Solution

The fourth proportional to 1,283,785.20, 1,925,159.40 and 441,903.60 is: 662,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,785.20 : 1,925,159.40 = 441,903.60 : x
  2. Step 2: Convert to fraction form
    1,283,785.20/1,925,159.40 = 441,903.60/x
  3. Step 3: Cross multiply
    1,283,785.20x = 1,925,159.40 × 441,903.60
  4. Step 4: Simplify right side
    1,283,785.20x = 850,734,869,433.84
  5. Step 5: Solve for x
    x = 850,734,869,433.84/1,283,785.20
  6. Step 6: Final answer
    x = 662,676.96

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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.