Home / 807,914.16-1,114,870.62-445,317.96

Finding the Fourth Proportional to 807,914.16, 1,114,870.62 and 445,317.96

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Solution

The fourth proportional to 807,914.16, 1,114,870.62 and 445,317.96 is: 614,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,914.16 : 1,114,870.62 = 445,317.96 : x
  2. Step 2: Convert to fraction form
    807,914.16/1,114,870.62 = 445,317.96/x
  3. Step 3: Cross multiply
    807,914.16x = 1,114,870.62 × 445,317.96
  4. Step 4: Simplify right side
    807,914.16x = 496,471,910,162.34
  5. Step 5: Solve for x
    x = 496,471,910,162.34/807,914.16
  6. Step 6: Final answer
    x = 614,510.72

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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.