Home / 1,185,118.59-1,635,459.13-641,255.43

Finding the Fourth Proportional to 1,185,118.59, 1,635,459.13 and 641,255.43

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Solution

The fourth proportional to 1,185,118.59, 1,635,459.13 and 641,255.43 is: 884,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,118.59 : 1,635,459.13 = 641,255.43 : x
  2. Step 2: Convert to fraction form
    1,185,118.59/1,635,459.13 = 641,255.43/x
  3. Step 3: Cross multiply
    1,185,118.59x = 1,635,459.13 × 641,255.43
  4. Step 4: Simplify right side
    1,185,118.59x = 1,048,747,047,655.58
  5. Step 5: Solve for x
    x = 1,048,747,047,655.58/1,185,118.59
  6. Step 6: Final answer
    x = 884,930.05

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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.