Home / 1,185,208.34-1,635,591.85-641,344.14

Finding the Fourth Proportional to 1,185,208.34, 1,635,591.85 and 641,344.14

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Solution

The fourth proportional to 1,185,208.34, 1,635,591.85 and 641,344.14 is: 885,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,208.34 : 1,635,591.85 = 641,344.14 : x
  2. Step 2: Convert to fraction form
    1,185,208.34/1,635,591.85 = 641,344.14/x
  3. Step 3: Cross multiply
    1,185,208.34x = 1,635,591.85 × 641,344.14
  4. Step 4: Simplify right side
    1,185,208.34x = 1,048,977,248,429.26
  5. Step 5: Solve for x
    x = 1,048,977,248,429.26/1,185,208.34
  6. Step 6: Final answer
    x = 885,057.26

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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.