Home / 1,216,010.60-1,824,015.90-817,879.40

Finding the Fourth Proportional to 1,216,010.60, 1,824,015.90 and 817,879.40

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Solution

The fourth proportional to 1,216,010.60, 1,824,015.90 and 817,879.40 is: 1,226,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,010.60 : 1,824,015.90 = 817,879.40 : x
  2. Step 2: Convert to fraction form
    1,216,010.60/1,824,015.90 = 817,879.40/x
  3. Step 3: Cross multiply
    1,216,010.60x = 1,824,015.90 × 817,879.40
  4. Step 4: Simplify right side
    1,216,010.60x = 1,491,825,029,882.46
  5. Step 5: Solve for x
    x = 1,491,825,029,882.46/1,216,010.60
  6. Step 6: Final answer
    x = 1,226,819.10

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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.