Home / 998,483.52-1,498,099.32-518,411.76

Finding the Fourth Proportional to 998,483.52, 1,498,099.32 and 518,411.76

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Solution

The fourth proportional to 998,483.52, 1,498,099.32 and 518,411.76 is: 777,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,483.52 : 1,498,099.32 = 518,411.76 : x
  2. Step 2: Convert to fraction form
    998,483.52/1,498,099.32 = 518,411.76/x
  3. Step 3: Cross multiply
    998,483.52x = 1,498,099.32 × 518,411.76
  4. Step 4: Simplify right side
    998,483.52x = 776,632,305,136.00
  5. Step 5: Solve for x
    x = 776,632,305,136.00/998,483.52
  6. Step 6: Final answer
    x = 777,811.84

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1.5x scale

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.