Home / 807,636.12-1,114,545.33-445,073.00

Finding the Fourth Proportional to 807,636.12, 1,114,545.33 and 445,073.00

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Solution

The fourth proportional to 807,636.12, 1,114,545.33 and 445,073.00 is: 614,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,636.12 : 1,114,545.33 = 445,073.00 : x
  2. Step 2: Convert to fraction form
    807,636.12/1,114,545.33 = 445,073.00/x
  3. Step 3: Cross multiply
    807,636.12x = 1,114,545.33 × 445,073.00
  4. Step 4: Simplify right side
    807,636.12x = 496,054,028,086.36
  5. Step 5: Solve for x
    x = 496,054,028,086.36/807,636.12
  6. Step 6: Final answer
    x = 614,204.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.