Home / 1,185,114.96-1,635,454.13-641,251.80

Finding the Fourth Proportional to 1,185,114.96, 1,635,454.13 and 641,251.80

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Solution

The fourth proportional to 1,185,114.96, 1,635,454.13 and 641,251.80 is: 884,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,114.96 : 1,635,454.13 = 641,251.80 : x
  2. Step 2: Convert to fraction form
    1,185,114.96/1,635,454.13 = 641,251.80/x
  3. Step 3: Cross multiply
    1,185,114.96x = 1,635,454.13 × 641,251.80
  4. Step 4: Simplify right side
    1,185,114.96x = 1,048,737,901,473.68
  5. Step 5: Solve for x
    x = 1,048,737,901,473.68/1,185,114.96
  6. Step 6: Final answer
    x = 884,925.04

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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.