Home / 1,412,929.58-1,949,856.71-768,363.77

Finding the Fourth Proportional to 1,412,929.58, 1,949,856.71 and 768,363.77

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Solution

The fourth proportional to 1,412,929.58, 1,949,856.71 and 768,363.77 is: 1,060,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,929.58 : 1,949,856.71 = 768,363.77 : x
  2. Step 2: Convert to fraction form
    1,412,929.58/1,949,856.71 = 768,363.77/x
  3. Step 3: Cross multiply
    1,412,929.58x = 1,949,856.71 × 768,363.77
  4. Step 4: Simplify right side
    1,412,929.58x = 1,498,199,253,688.22
  5. Step 5: Solve for x
    x = 1,498,199,253,688.22/1,412,929.58
  6. Step 6: Final answer
    x = 1,060,349.56

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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.