Home / 1,028,439.60-1,542,659.40-496,998.60

Finding the Fourth Proportional to 1,028,439.60, 1,542,659.40 and 496,998.60

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Solution

The fourth proportional to 1,028,439.60, 1,542,659.40 and 496,998.60 is: 745,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,439.60 : 1,542,659.40 = 496,998.60 : x
  2. Step 2: Convert to fraction form
    1,028,439.60/1,542,659.40 = 496,998.60/x
  3. Step 3: Cross multiply
    1,028,439.60x = 1,542,659.40 × 496,998.60
  4. Step 4: Simplify right side
    1,028,439.60x = 766,699,562,076.84
  5. Step 5: Solve for x
    x = 766,699,562,076.84/1,028,439.60
  6. Step 6: Final answer
    x = 745,497.90

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Double scale
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1.5x scale

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.