Home / 780,664.14-1,077,194.07-454,049.46

Finding the Fourth Proportional to 780,664.14, 1,077,194.07 and 454,049.46

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Solution

The fourth proportional to 780,664.14, 1,077,194.07 and 454,049.46 is: 626,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,664.14 : 1,077,194.07 = 454,049.46 : x
  2. Step 2: Convert to fraction form
    780,664.14/1,077,194.07 = 454,049.46/x
  3. Step 3: Cross multiply
    780,664.14x = 1,077,194.07 × 454,049.46
  4. Step 4: Simplify right side
    780,664.14x = 489,099,385,798.70
  5. Step 5: Solve for x
    x = 489,099,385,798.70/780,664.14
  6. Step 6: Final answer
    x = 626,517.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.