Home / 782,015.69-1,172,283.92-589,591.58

Finding the Fourth Proportional to 782,015.69, 1,172,283.92 and 589,591.58

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Solution

The fourth proportional to 782,015.69, 1,172,283.92 and 589,591.58 is: 883,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,015.69 : 1,172,283.92 = 589,591.58 : x
  2. Step 2: Convert to fraction form
    782,015.69/1,172,283.92 = 589,591.58/x
  3. Step 3: Cross multiply
    782,015.69x = 1,172,283.92 × 589,591.58
  4. Step 4: Simplify right side
    782,015.69x = 691,168,728,601.39
  5. Step 5: Solve for x
    x = 691,168,728,601.39/782,015.69
  6. Step 6: Final answer
    x = 883,829.75

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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.