Home / 864,144.60-1,296,216.90-706,680.60

Finding the Fourth Proportional to 864,144.60, 1,296,216.90 and 706,680.60

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Solution

The fourth proportional to 864,144.60, 1,296,216.90 and 706,680.60 is: 1,060,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,144.60 : 1,296,216.90 = 706,680.60 : x
  2. Step 2: Convert to fraction form
    864,144.60/1,296,216.90 = 706,680.60/x
  3. Step 3: Cross multiply
    864,144.60x = 1,296,216.90 × 706,680.60
  4. Step 4: Simplify right side
    864,144.60x = 916,011,336,622.14
  5. Step 5: Solve for x
    x = 916,011,336,622.14/864,144.60
  6. Step 6: Final answer
    x = 1,060,020.90

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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.