Home / 679,233.20-936,951.49-424,141.52

Finding the Fourth Proportional to 679,233.20, 936,951.49 and 424,141.52

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Solution

The fourth proportional to 679,233.20, 936,951.49 and 424,141.52 is: 585,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,233.20 : 936,951.49 = 424,141.52 : x
  2. Step 2: Convert to fraction form
    679,233.20/936,951.49 = 424,141.52/x
  3. Step 3: Cross multiply
    679,233.20x = 936,951.49 × 424,141.52
  4. Step 4: Simplify right side
    679,233.20x = 397,400,024,980.28
  5. Step 5: Solve for x
    x = 397,400,024,980.28/679,233.20
  6. Step 6: Final answer
    x = 585,071.56

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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.