Home / 682,543.80-1,023,815.70-672,046.20

Finding the Fourth Proportional to 682,543.80, 1,023,815.70 and 672,046.20

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Solution

The fourth proportional to 682,543.80, 1,023,815.70 and 672,046.20 is: 1,008,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,543.80 : 1,023,815.70 = 672,046.20 : x
  2. Step 2: Convert to fraction form
    682,543.80/1,023,815.70 = 672,046.20/x
  3. Step 3: Cross multiply
    682,543.80x = 1,023,815.70 × 672,046.20
  4. Step 4: Simplify right side
    682,543.80x = 688,051,450,685.34
  5. Step 5: Solve for x
    x = 688,051,450,685.34/682,543.80
  6. Step 6: Final answer
    x = 1,008,069.30

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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.