Home / 995,607.20-1,493,410.80-840,087.20

Finding the Fourth Proportional to 995,607.20, 1,493,410.80 and 840,087.20

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Solution

The fourth proportional to 995,607.20, 1,493,410.80 and 840,087.20 is: 1,260,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,607.20 : 1,493,410.80 = 840,087.20 : x
  2. Step 2: Convert to fraction form
    995,607.20/1,493,410.80 = 840,087.20/x
  3. Step 3: Cross multiply
    995,607.20x = 1,493,410.80 × 840,087.20
  4. Step 4: Simplify right side
    995,607.20x = 1,254,595,297,421.76
  5. Step 5: Solve for x
    x = 1,254,595,297,421.76/995,607.20
  6. Step 6: Final answer
    x = 1,260,130.80

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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.