Home / 679,190.25-1,018,820.25-173,755.62

Finding the Fourth Proportional to 679,190.25, 1,018,820.25 and 173,755.62

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Solution

The fourth proportional to 679,190.25, 1,018,820.25 and 173,755.62 is: 260,642.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,190.25 : 1,018,820.25 = 173,755.62 : x
  2. Step 2: Convert to fraction form
    679,190.25/1,018,820.25 = 173,755.62/x
  3. Step 3: Cross multiply
    679,190.25x = 1,018,820.25 × 173,755.62
  4. Step 4: Simplify right side
    679,190.25x = 177,025,744,207.31
  5. Step 5: Solve for x
    x = 177,025,744,207.31/679,190.25
  6. Step 6: Final answer
    x = 260,642.35

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1.5x scale

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.