Home / 770,820.70-1,156,231.05-713,083.90

Finding the Fourth Proportional to 770,820.70, 1,156,231.05 and 713,083.90

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Solution

The fourth proportional to 770,820.70, 1,156,231.05 and 713,083.90 is: 1,069,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,820.70 : 1,156,231.05 = 713,083.90 : x
  2. Step 2: Convert to fraction form
    770,820.70/1,156,231.05 = 713,083.90/x
  3. Step 3: Cross multiply
    770,820.70x = 1,156,231.05 × 713,083.90
  4. Step 4: Simplify right side
    770,820.70x = 824,489,746,435.10
  5. Step 5: Solve for x
    x = 824,489,746,435.10/770,820.70
  6. Step 6: Final answer
    x = 1,069,625.85

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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.