Home / 679,247.40-937,371.11-373,352.06

Finding the Fourth Proportional to 679,247.40, 937,371.11 and 373,352.06

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Solution

The fourth proportional to 679,247.40, 937,371.11 and 373,352.06 is: 515,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,247.40 : 937,371.11 = 373,352.06 : x
  2. Step 2: Convert to fraction form
    679,247.40/937,371.11 = 373,352.06/x
  3. Step 3: Cross multiply
    679,247.40x = 937,371.11 × 373,352.06
  4. Step 4: Simplify right side
    679,247.40x = 349,969,434,902.99
  5. Step 5: Solve for x
    x = 349,969,434,902.99/679,247.40
  6. Step 6: Final answer
    x = 515,231.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.