Home / 1,020,761.16-1,530,195.25-451,838.93

Finding the Fourth Proportional to 1,020,761.16, 1,530,195.25 and 451,838.93

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Solution

The fourth proportional to 1,020,761.16, 1,530,195.25 and 451,838.93 is: 677,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,761.16 : 1,530,195.25 = 451,838.93 : x
  2. Step 2: Convert to fraction form
    1,020,761.16/1,530,195.25 = 451,838.93/x
  3. Step 3: Cross multiply
    1,020,761.16x = 1,530,195.25 × 451,838.93
  4. Step 4: Simplify right side
    1,020,761.16x = 691,401,776,517.71
  5. Step 5: Solve for x
    x = 691,401,776,517.71/1,020,761.16
  6. Step 6: Final answer
    x = 677,339.43

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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.