Home / 792,003.60-1,187,713.80-392,511.60

Finding the Fourth Proportional to 792,003.60, 1,187,713.80 and 392,511.60

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Solution

The fourth proportional to 792,003.60, 1,187,713.80 and 392,511.60 is: 588,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,003.60 : 1,187,713.80 = 392,511.60 : x
  2. Step 2: Convert to fraction form
    792,003.60/1,187,713.80 = 392,511.60/x
  3. Step 3: Cross multiply
    792,003.60x = 1,187,713.80 × 392,511.60
  4. Step 4: Simplify right side
    792,003.60x = 466,191,443,980.08
  5. Step 5: Solve for x
    x = 466,191,443,980.08/792,003.60
  6. Step 6: Final answer
    x = 588,622.89

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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.