Home / 1,428,874.40-1,973,483.21-941,024.72

Finding the Fourth Proportional to 1,428,874.40, 1,973,483.21 and 941,024.72

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Solution

The fourth proportional to 1,428,874.40, 1,973,483.21 and 941,024.72 is: 1,299,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,874.40 : 1,973,483.21 = 941,024.72 : x
  2. Step 2: Convert to fraction form
    1,428,874.40/1,973,483.21 = 941,024.72/x
  3. Step 3: Cross multiply
    1,428,874.40x = 1,973,483.21 × 941,024.72
  4. Step 4: Simplify right side
    1,428,874.40x = 1,857,096,485,114.95
  5. Step 5: Solve for x
    x = 1,857,096,485,114.95/1,428,874.40
  6. Step 6: Final answer
    x = 1,299,691.90

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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.