Home / 527,243.22-790,332.23-207,619.38

Finding the Fourth Proportional to 527,243.22, 790,332.23 and 207,619.38

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Solution

The fourth proportional to 527,243.22, 790,332.23 and 207,619.38 is: 311,219.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,243.22 : 790,332.23 = 207,619.38 : x
  2. Step 2: Convert to fraction form
    527,243.22/790,332.23 = 207,619.38/x
  3. Step 3: Cross multiply
    527,243.22x = 790,332.23 × 207,619.38
  4. Step 4: Simplify right side
    527,243.22x = 164,088,288,105.67
  5. Step 5: Solve for x
    x = 164,088,288,105.67/527,243.22
  6. Step 6: Final answer
    x = 311,219.34

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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.