Home / 859,883.20-1,288,269.60-701,252.80

Finding the Fourth Proportional to 859,883.20, 1,288,269.60 and 701,252.80

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Solution

The fourth proportional to 859,883.20, 1,288,269.60 and 701,252.80 is: 1,050,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,883.20 : 1,288,269.60 = 701,252.80 : x
  2. Step 2: Convert to fraction form
    859,883.20/1,288,269.60 = 701,252.80/x
  3. Step 3: Cross multiply
    859,883.20x = 1,288,269.60 × 701,252.80
  4. Step 4: Simplify right side
    859,883.20x = 903,402,664,154.88
  5. Step 5: Solve for x
    x = 903,402,664,154.88/859,883.20
  6. Step 6: Final answer
    x = 1,050,610.90

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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.