Home / 792,144.80-1,188,071.40-492,088.40

Finding the Fourth Proportional to 792,144.80, 1,188,071.40 and 492,088.40

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Solution

The fourth proportional to 792,144.80, 1,188,071.40 and 492,088.40 is: 738,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,144.80 : 1,188,071.40 = 492,088.40 : x
  2. Step 2: Convert to fraction form
    792,144.80/1,188,071.40 = 492,088.40/x
  3. Step 3: Cross multiply
    792,144.80x = 1,188,071.40 × 492,088.40
  4. Step 4: Simplify right side
    792,144.80x = 584,636,154,311.76
  5. Step 5: Solve for x
    x = 584,636,154,311.76/792,144.80
  6. Step 6: Final answer
    x = 738,042.03

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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.