Home / 755,736.72-1,042,917.96-416,205.84

Finding the Fourth Proportional to 755,736.72, 1,042,917.96 and 416,205.84

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Solution

The fourth proportional to 755,736.72, 1,042,917.96 and 416,205.84 is: 574,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,736.72 : 1,042,917.96 = 416,205.84 : x
  2. Step 2: Convert to fraction form
    755,736.72/1,042,917.96 = 416,205.84/x
  3. Step 3: Cross multiply
    755,736.72x = 1,042,917.96 × 416,205.84
  4. Step 4: Simplify right side
    755,736.72x = 434,068,545,592.89
  5. Step 5: Solve for x
    x = 434,068,545,592.89/755,736.72
  6. Step 6: Final answer
    x = 574,364.77

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1.5x scale

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.