Home / 1,108,680.93-1,529,429.64-716,078.90

Finding the Fourth Proportional to 1,108,680.93, 1,529,429.64 and 716,078.90

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Solution

The fourth proportional to 1,108,680.93, 1,529,429.64 and 716,078.90 is: 987,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,680.93 : 1,529,429.64 = 716,078.90 : x
  2. Step 2: Convert to fraction form
    1,108,680.93/1,529,429.64 = 716,078.90/x
  3. Step 3: Cross multiply
    1,108,680.93x = 1,529,429.64 × 716,078.90
  4. Step 4: Simplify right side
    1,108,680.93x = 1,095,192,286,591.45
  5. Step 5: Solve for x
    x = 1,095,192,286,591.45/1,108,680.93
  6. Step 6: Final answer
    x = 987,833.61

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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.