Home / 1,185,350.52-1,635,783.90-641,486.46

Finding the Fourth Proportional to 1,185,350.52, 1,635,783.90 and 641,486.46

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Solution

The fourth proportional to 1,185,350.52, 1,635,783.90 and 641,486.46 is: 885,251.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,350.52 : 1,635,783.90 = 641,486.46 : x
  2. Step 2: Convert to fraction form
    1,185,350.52/1,635,783.90 = 641,486.46/x
  3. Step 3: Cross multiply
    1,185,350.52x = 1,635,783.90 × 641,486.46
  4. Step 4: Simplify right side
    1,185,350.52x = 1,049,333,223,335.99
  5. Step 5: Solve for x
    x = 1,049,333,223,335.99/1,185,350.52
  6. Step 6: Final answer
    x = 885,251.41

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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.