Home / 792,001.60-1,185,928.80-580,494.40

Finding the Fourth Proportional to 792,001.60, 1,185,928.80 and 580,494.40

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Solution

The fourth proportional to 792,001.60, 1,185,928.80 and 580,494.40 is: 869,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,001.60 : 1,185,928.80 = 580,494.40 : x
  2. Step 2: Convert to fraction form
    792,001.60/1,185,928.80 = 580,494.40/x
  3. Step 3: Cross multiply
    792,001.60x = 1,185,928.80 × 580,494.40
  4. Step 4: Simplify right side
    792,001.60x = 688,425,027,198.72
  5. Step 5: Solve for x
    x = 688,425,027,198.72/792,001.60
  6. Step 6: Final answer
    x = 869,221.76

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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.