Home / 792,006.40-1,188,009.60-372,102.40

Finding the Fourth Proportional to 792,006.40, 1,188,009.60 and 372,102.40

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Solution

The fourth proportional to 792,006.40, 1,188,009.60 and 372,102.40 is: 558,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,006.40 : 1,188,009.60 = 372,102.40 : x
  2. Step 2: Convert to fraction form
    792,006.40/1,188,009.60 = 372,102.40/x
  3. Step 3: Cross multiply
    792,006.40x = 1,188,009.60 × 372,102.40
  4. Step 4: Simplify right side
    792,006.40x = 442,061,223,383.04
  5. Step 5: Solve for x
    x = 442,061,223,383.04/792,006.40
  6. Step 6: Final answer
    x = 558,153.60

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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.