Home / 679,144.40-936,828.94-424,052.72

Finding the Fourth Proportional to 679,144.40, 936,828.94 and 424,052.72

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Solution

The fourth proportional to 679,144.40, 936,828.94 and 424,052.72 is: 584,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,144.40 : 936,828.94 = 424,052.72 : x
  2. Step 2: Convert to fraction form
    679,144.40/936,828.94 = 424,052.72/x
  3. Step 3: Cross multiply
    679,144.40x = 936,828.94 × 424,052.72
  4. Step 4: Simplify right side
    679,144.40x = 397,264,860,181.72
  5. Step 5: Solve for x
    x = 397,264,860,181.72/679,144.40
  6. Step 6: Final answer
    x = 584,949.03

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1.5x scale

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.