Home / 657,071.10-985,728.33-207,905.04

Finding the Fourth Proportional to 657,071.10, 985,728.33 and 207,905.04

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Solution

The fourth proportional to 657,071.10, 985,728.33 and 207,905.04 is: 311,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,071.10 : 985,728.33 = 207,905.04 : x
  2. Step 2: Convert to fraction form
    657,071.10/985,728.33 = 207,905.04/x
  3. Step 3: Cross multiply
    657,071.10x = 985,728.33 × 207,905.04
  4. Step 4: Simplify right side
    657,071.10x = 204,937,887,877.78
  5. Step 5: Solve for x
    x = 204,937,887,877.78/657,071.10
  6. Step 6: Final answer
    x = 311,896.06

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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.