Home / 398,528.28-597,377.21-173,828.38

Finding the Fourth Proportional to 398,528.28, 597,377.21 and 173,828.38

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Solution

The fourth proportional to 398,528.28, 597,377.21 and 173,828.38 is: 260,561.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,528.28 : 597,377.21 = 173,828.38 : x
  2. Step 2: Convert to fraction form
    398,528.28/597,377.21 = 173,828.38/x
  3. Step 3: Cross multiply
    398,528.28x = 597,377.21 × 173,828.38
  4. Step 4: Simplify right side
    398,528.28x = 103,841,112,663.22
  5. Step 5: Solve for x
    x = 103,841,112,663.22/398,528.28
  6. Step 6: Final answer
    x = 260,561.47

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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.