Home / 628,461.36-942,839.64-207,737.28

Finding the Fourth Proportional to 628,461.36, 942,839.64 and 207,737.28

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Solution

The fourth proportional to 628,461.36, 942,839.64 and 207,737.28 is: 311,654.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,461.36 : 942,839.64 = 207,737.28 : x
  2. Step 2: Convert to fraction form
    628,461.36/942,839.64 = 207,737.28/x
  3. Step 3: Cross multiply
    628,461.36x = 942,839.64 × 207,737.28
  4. Step 4: Simplify right side
    628,461.36x = 195,862,942,289.78
  5. Step 5: Solve for x
    x = 195,862,942,289.78/628,461.36
  6. Step 6: Final answer
    x = 311,654.71

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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.