Home / 1,519,479.92-2,279,997.48-621,585.20

Finding the Fourth Proportional to 1,519,479.92, 2,279,997.48 and 621,585.20

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Solution

The fourth proportional to 1,519,479.92, 2,279,997.48 and 621,585.20 is: 932,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,479.92 : 2,279,997.48 = 621,585.20 : x
  2. Step 2: Convert to fraction form
    1,519,479.92/2,279,997.48 = 621,585.20/x
  3. Step 3: Cross multiply
    1,519,479.92x = 2,279,997.48 × 621,585.20
  4. Step 4: Simplify right side
    1,519,479.92x = 1,417,212,697,636.23
  5. Step 5: Solve for x
    x = 1,417,212,697,636.23/1,519,479.92
  6. Step 6: Final answer
    x = 932,695.90

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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.