Home / 535,239.41-802,891.54-215,390.05

Finding the Fourth Proportional to 535,239.41, 802,891.54 and 215,390.05

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Solution

The fourth proportional to 535,239.41, 802,891.54 and 215,390.05 is: 323,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,239.41 : 802,891.54 = 215,390.05 : x
  2. Step 2: Convert to fraction form
    535,239.41/802,891.54 = 215,390.05/x
  3. Step 3: Cross multiply
    535,239.41x = 802,891.54 × 215,390.05
  4. Step 4: Simplify right side
    535,239.41x = 172,934,848,945.18
  5. Step 5: Solve for x
    x = 172,934,848,945.18/535,239.41
  6. Step 6: Final answer
    x = 323,098.12

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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.