Home / 1,286,333.29-1,929,791.04-433,381.76

Finding the Fourth Proportional to 1,286,333.29, 1,929,791.04 and 433,381.76

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Solution

The fourth proportional to 1,286,333.29, 1,929,791.04 and 433,381.76 is: 650,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,333.29 : 1,929,791.04 = 433,381.76 : x
  2. Step 2: Convert to fraction form
    1,286,333.29/1,929,791.04 = 433,381.76/x
  3. Step 3: Cross multiply
    1,286,333.29x = 1,929,791.04 × 433,381.76
  4. Step 4: Simplify right side
    1,286,333.29x = 836,336,237,347.43
  5. Step 5: Solve for x
    x = 836,336,237,347.43/1,286,333.29
  6. Step 6: Final answer
    x = 650,170.72

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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.