Home / 1,286,204.60-1,929,583.38-433,361

Finding the Fourth Proportional to 1,286,204.60, 1,929,583.38 and 433,361

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Solution

The fourth proportional to 1,286,204.60, 1,929,583.38 and 433,361 is: 650,134.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,204.60 : 1,929,583.38 = 433,361 : x
  2. Step 2: Convert to fraction form
    1,286,204.60/1,929,583.38 = 433,361/x
  3. Step 3: Cross multiply
    1,286,204.60x = 1,929,583.38 × 433,361
  4. Step 4: Simplify right side
    1,286,204.60x = 836,206,183,140.18
  5. Step 5: Solve for x
    x = 836,206,183,140.18/1,286,204.60
  6. Step 6: Final answer
    x = 650,134.65

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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.