Home / 1,185,116.59-1,635,456.37-641,253.43

Finding the Fourth Proportional to 1,185,116.59, 1,635,456.37 and 641,253.43

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Solution

The fourth proportional to 1,185,116.59, 1,635,456.37 and 641,253.43 is: 884,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,116.59 : 1,635,456.37 = 641,253.43 : x
  2. Step 2: Convert to fraction form
    1,185,116.59/1,635,456.37 = 641,253.43/x
  3. Step 3: Cross multiply
    1,185,116.59x = 1,635,456.37 × 641,253.43
  4. Step 4: Simplify right side
    1,185,116.59x = 1,048,742,006,877.85
  5. Step 5: Solve for x
    x = 1,048,742,006,877.85/1,185,116.59
  6. Step 6: Final answer
    x = 884,927.29

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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.