Home / 1,611,648.80-2,419,335.60-865,152.80

Finding the Fourth Proportional to 1,611,648.80, 2,419,335.60 and 865,152.80

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Solution

The fourth proportional to 1,611,648.80, 2,419,335.60 and 865,152.80 is: 1,298,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,648.80 : 2,419,335.60 = 865,152.80 : x
  2. Step 2: Convert to fraction form
    1,611,648.80/2,419,335.60 = 865,152.80/x
  3. Step 3: Cross multiply
    1,611,648.80x = 2,419,335.60 × 865,152.80
  4. Step 4: Simplify right side
    1,611,648.80x = 2,093,094,968,479.68
  5. Step 5: Solve for x
    x = 2,093,094,968,479.68/1,611,648.80
  6. Step 6: Final answer
    x = 1,298,728.96

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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.