Home / 792,050.40-1,185,451.20-729,064.80

Finding the Fourth Proportional to 792,050.40, 1,185,451.20 and 729,064.80

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Solution

The fourth proportional to 792,050.40, 1,185,451.20 and 729,064.80 is: 1,091,181.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,050.40 : 1,185,451.20 = 729,064.80 : x
  2. Step 2: Convert to fraction form
    792,050.40/1,185,451.20 = 729,064.80/x
  3. Step 3: Cross multiply
    792,050.40x = 1,185,451.20 × 729,064.80
  4. Step 4: Simplify right side
    792,050.40x = 864,270,742,037.76
  5. Step 5: Solve for x
    x = 864,270,742,037.76/792,050.40
  6. Step 6: Final answer
    x = 1,091,181.50

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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.