Home / 518,544.08-777,819.64-144,570.32

Finding the Fourth Proportional to 518,544.08, 777,819.64 and 144,570.32

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Solution

The fourth proportional to 518,544.08, 777,819.64 and 144,570.32 is: 216,856.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,544.08 : 777,819.64 = 144,570.32 : x
  2. Step 2: Convert to fraction form
    518,544.08/777,819.64 = 144,570.32/x
  3. Step 3: Cross multiply
    518,544.08x = 777,819.64 × 144,570.32
  4. Step 4: Simplify right side
    518,544.08x = 112,449,634,257.09
  5. Step 5: Solve for x
    x = 112,449,634,257.09/518,544.08
  6. Step 6: Final answer
    x = 216,856.46

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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.