Home / 1,074,632.08-1,611,889.77-326,619.76

Finding the Fourth Proportional to 1,074,632.08, 1,611,889.77 and 326,619.76

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Solution

The fourth proportional to 1,074,632.08, 1,611,889.77 and 326,619.76 is: 489,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,632.08 : 1,611,889.77 = 326,619.76 : x
  2. Step 2: Convert to fraction form
    1,074,632.08/1,611,889.77 = 326,619.76/x
  3. Step 3: Cross multiply
    1,074,632.08x = 1,611,889.77 × 326,619.76
  4. Step 4: Simplify right side
    1,074,632.08x = 526,475,049,823.86
  5. Step 5: Solve for x
    x = 526,475,049,823.86/1,074,632.08
  6. Step 6: Final answer
    x = 489,911.91

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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.