Home / 1,164,880.68-1,608,031.32-783,128.94

Finding the Fourth Proportional to 1,164,880.68, 1,608,031.32 and 783,128.94

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Solution

The fourth proportional to 1,164,880.68, 1,608,031.32 and 783,128.94 is: 1,081,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,880.68 : 1,608,031.32 = 783,128.94 : x
  2. Step 2: Convert to fraction form
    1,164,880.68/1,608,031.32 = 783,128.94/x
  3. Step 3: Cross multiply
    1,164,880.68x = 1,608,031.32 × 783,128.94
  4. Step 4: Simplify right side
    1,164,880.68x = 1,259,295,863,118.40
  5. Step 5: Solve for x
    x = 1,259,295,863,118.40/1,164,880.68
  6. Step 6: Final answer
    x = 1,081,051.38

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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.