Home / 1,189,042.12-1,640,769.78-705,523.96

Finding the Fourth Proportional to 1,189,042.12, 1,640,769.78 and 705,523.96

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Solution

The fourth proportional to 1,189,042.12, 1,640,769.78 and 705,523.96 is: 973,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,042.12 : 1,640,769.78 = 705,523.96 : x
  2. Step 2: Convert to fraction form
    1,189,042.12/1,640,769.78 = 705,523.96/x
  3. Step 3: Cross multiply
    1,189,042.12x = 1,640,769.78 × 705,523.96
  4. Step 4: Simplify right side
    1,189,042.12x = 1,157,602,392,633.93
  5. Step 5: Solve for x
    x = 1,157,602,392,633.93/1,189,042.12
  6. Step 6: Final answer
    x = 973,558.78

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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.