Home / 957,289.25-1,321,059.37-521,706.70

Finding the Fourth Proportional to 957,289.25, 1,321,059.37 and 521,706.70

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Solution

The fourth proportional to 957,289.25, 1,321,059.37 and 521,706.70 is: 719,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,289.25 : 1,321,059.37 = 521,706.70 : x
  2. Step 2: Convert to fraction form
    957,289.25/1,321,059.37 = 521,706.70/x
  3. Step 3: Cross multiply
    957,289.25x = 1,321,059.37 × 521,706.70
  4. Step 4: Simplify right side
    957,289.25x = 689,205,524,426.78
  5. Step 5: Solve for x
    x = 689,205,524,426.78/957,289.25
  6. Step 6: Final answer
    x = 719,955.36

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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.