Home / 842,457.20-1,181,539.60-842,457.20

Finding the Fourth Proportional to 842,457.20, 1,181,539.60 and 842,457.20

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Solution

The fourth proportional to 842,457.20, 1,181,539.60 and 842,457.20 is: 1,181,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,457.20 : 1,181,539.60 = 842,457.20 : x
  2. Step 2: Convert to fraction form
    842,457.20/1,181,539.60 = 842,457.20/x
  3. Step 3: Cross multiply
    842,457.20x = 1,181,539.60 × 842,457.20
  4. Step 4: Simplify right side
    842,457.20x = 995,396,543,105.12
  5. Step 5: Solve for x
    x = 995,396,543,105.12/842,457.20
  6. Step 6: Final answer
    x = 1,181,539.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.