Home / 1,430,929.20-1,974,251.43-857,760.24

Finding the Fourth Proportional to 1,430,929.20, 1,974,251.43 and 857,760.24

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Solution

The fourth proportional to 1,430,929.20, 1,974,251.43 and 857,760.24 is: 1,183,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,929.20 : 1,974,251.43 = 857,760.24 : x
  2. Step 2: Convert to fraction form
    1,430,929.20/1,974,251.43 = 857,760.24/x
  3. Step 3: Cross multiply
    1,430,929.20x = 1,974,251.43 × 857,760.24
  4. Step 4: Simplify right side
    1,430,929.20x = 1,693,434,380,417.14
  5. Step 5: Solve for x
    x = 1,693,434,380,417.14/1,430,929.20
  6. Step 6: Final answer
    x = 1,183,450.85

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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.