Home / 1,115,957.88-1,673,921.70-274,516.92

Finding the Fourth Proportional to 1,115,957.88, 1,673,921.70 and 274,516.92

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Solution

The fourth proportional to 1,115,957.88, 1,673,921.70 and 274,516.92 is: 411,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,957.88 : 1,673,921.70 = 274,516.92 : x
  2. Step 2: Convert to fraction form
    1,115,957.88/1,673,921.70 = 274,516.92/x
  3. Step 3: Cross multiply
    1,115,957.88x = 1,673,921.70 × 274,516.92
  4. Step 4: Simplify right side
    1,115,957.88x = 459,519,829,405.16
  5. Step 5: Solve for x
    x = 459,519,829,405.16/1,115,957.88
  6. Step 6: Final answer
    x = 411,771.66

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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.