Home / 628,457.94-942,834.54-207,733.80

Finding the Fourth Proportional to 628,457.94, 942,834.54 and 207,733.80

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Solution

The fourth proportional to 628,457.94, 942,834.54 and 207,733.80 is: 311,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,457.94 : 942,834.54 = 207,733.80 : x
  2. Step 2: Convert to fraction form
    628,457.94/942,834.54 = 207,733.80/x
  3. Step 3: Cross multiply
    628,457.94x = 942,834.54 × 207,733.80
  4. Step 4: Simplify right side
    628,457.94x = 195,858,601,765.45
  5. Step 5: Solve for x
    x = 195,858,601,765.45/628,457.94
  6. Step 6: Final answer
    x = 311,649.50

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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.