Home / 995,780.40-1,493,670.60-676,915.80

Finding the Fourth Proportional to 995,780.40, 1,493,670.60 and 676,915.80

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Solution

The fourth proportional to 995,780.40, 1,493,670.60 and 676,915.80 is: 1,015,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,780.40 : 1,493,670.60 = 676,915.80 : x
  2. Step 2: Convert to fraction form
    995,780.40/1,493,670.60 = 676,915.80/x
  3. Step 3: Cross multiply
    995,780.40x = 1,493,670.60 × 676,915.80
  4. Step 4: Simplify right side
    995,780.40x = 1,011,089,229,135.48
  5. Step 5: Solve for x
    x = 1,011,089,229,135.48/995,780.40
  6. Step 6: Final answer
    x = 1,015,373.70

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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.