Home / 694,027.80-1,042,596.90-665,688.60

Finding the Fourth Proportional to 694,027.80, 1,042,596.90 and 665,688.60

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Solution

The fourth proportional to 694,027.80, 1,042,596.90 and 665,688.60 is: 1,000,024.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,027.80 : 1,042,596.90 = 665,688.60 : x
  2. Step 2: Convert to fraction form
    694,027.80/1,042,596.90 = 665,688.60/x
  3. Step 3: Cross multiply
    694,027.80x = 1,042,596.90 × 665,688.60
  4. Step 4: Simplify right side
    694,027.80x = 694,044,870,725.34
  5. Step 5: Solve for x
    x = 694,044,870,725.34/694,027.80
  6. Step 6: Final answer
    x = 1,000,024.60

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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.