Home / 726,811.60-1,091,383.80-549,518.80

Finding the Fourth Proportional to 726,811.60, 1,091,383.80 and 549,518.80

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Solution

The fourth proportional to 726,811.60, 1,091,383.80 and 549,518.80 is: 825,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,811.60 : 1,091,383.80 = 549,518.80 : x
  2. Step 2: Convert to fraction form
    726,811.60/1,091,383.80 = 549,518.80/x
  3. Step 3: Cross multiply
    726,811.60x = 1,091,383.80 × 549,518.80
  4. Step 4: Simplify right side
    726,811.60x = 599,735,916,115.44
  5. Step 5: Solve for x
    x = 599,735,916,115.44/726,811.60
  6. Step 6: Final answer
    x = 825,160.08

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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.