Home / 860,852.20-1,291,278.30-546,701.80

Finding the Fourth Proportional to 860,852.20, 1,291,278.30 and 546,701.80

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Solution

The fourth proportional to 860,852.20, 1,291,278.30 and 546,701.80 is: 820,052.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,852.20 : 1,291,278.30 = 546,701.80 : x
  2. Step 2: Convert to fraction form
    860,852.20/1,291,278.30 = 546,701.80/x
  3. Step 3: Cross multiply
    860,852.20x = 1,291,278.30 × 546,701.80
  4. Step 4: Simplify right side
    860,852.20x = 705,944,170,910.94
  5. Step 5: Solve for x
    x = 705,944,170,910.94/860,852.20
  6. Step 6: Final answer
    x = 820,052.70

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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.