Home / 792,335.20-1,188,502.80-723,906.40

Finding the Fourth Proportional to 792,335.20, 1,188,502.80 and 723,906.40

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Solution

The fourth proportional to 792,335.20, 1,188,502.80 and 723,906.40 is: 1,085,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,335.20 : 1,188,502.80 = 723,906.40 : x
  2. Step 2: Convert to fraction form
    792,335.20/1,188,502.80 = 723,906.40/x
  3. Step 3: Cross multiply
    792,335.20x = 1,188,502.80 × 723,906.40
  4. Step 4: Simplify right side
    792,335.20x = 860,364,783,337.92
  5. Step 5: Solve for x
    x = 860,364,783,337.92/792,335.20
  6. Step 6: Final answer
    x = 1,085,859.60

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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.