Home / 789,634.20-1,182,701.70-649,666.20

Finding the Fourth Proportional to 789,634.20, 1,182,701.70 and 649,666.20

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Solution

The fourth proportional to 789,634.20, 1,182,701.70 and 649,666.20 is: 973,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,634.20 : 1,182,701.70 = 649,666.20 : x
  2. Step 2: Convert to fraction form
    789,634.20/1,182,701.70 = 649,666.20/x
  3. Step 3: Cross multiply
    789,634.20x = 1,182,701.70 × 649,666.20
  4. Step 4: Simplify right side
    789,634.20x = 768,361,319,172.54
  5. Step 5: Solve for x
    x = 768,361,319,172.54/789,634.20
  6. Step 6: Final answer
    x = 973,059.83

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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.