Home / 657,222.16-985,975.85-201,814.95

Finding the Fourth Proportional to 657,222.16, 985,975.85 and 201,814.95

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Solution

The fourth proportional to 657,222.16, 985,975.85 and 201,814.95 is: 302,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,222.16 : 985,975.85 = 201,814.95 : x
  2. Step 2: Convert to fraction form
    657,222.16/985,975.85 = 201,814.95/x
  3. Step 3: Cross multiply
    657,222.16x = 985,975.85 × 201,814.95
  4. Step 4: Simplify right side
    657,222.16x = 198,984,666,868.96
  5. Step 5: Solve for x
    x = 198,984,666,868.96/657,222.16
  6. Step 6: Final answer
    x = 302,766.22

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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.