Home / 1,773,840.40-2,660,760.60-778,512.40

Finding the Fourth Proportional to 1,773,840.40, 2,660,760.60 and 778,512.40

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Solution

The fourth proportional to 1,773,840.40, 2,660,760.60 and 778,512.40 is: 1,167,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,840.40 : 2,660,760.60 = 778,512.40 : x
  2. Step 2: Convert to fraction form
    1,773,840.40/2,660,760.60 = 778,512.40/x
  3. Step 3: Cross multiply
    1,773,840.40x = 2,660,760.60 × 778,512.40
  4. Step 4: Simplify right side
    1,773,840.40x = 2,071,435,120,531.44
  5. Step 5: Solve for x
    x = 2,071,435,120,531.44/1,773,840.40
  6. Step 6: Final answer
    x = 1,167,768.60

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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.