Home / 770,780.40-1,156,170.60-584,156.40

Finding the Fourth Proportional to 770,780.40, 1,156,170.60 and 584,156.40

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Solution

The fourth proportional to 770,780.40, 1,156,170.60 and 584,156.40 is: 876,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,780.40 : 1,156,170.60 = 584,156.40 : x
  2. Step 2: Convert to fraction form
    770,780.40/1,156,170.60 = 584,156.40/x
  3. Step 3: Cross multiply
    770,780.40x = 1,156,170.60 × 584,156.40
  4. Step 4: Simplify right side
    770,780.40x = 675,384,455,481.84
  5. Step 5: Solve for x
    x = 675,384,455,481.84/770,780.40
  6. Step 6: Final answer
    x = 876,234.60

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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.