Home / 1,185,209.34-1,635,593.23-641,345.14

Finding the Fourth Proportional to 1,185,209.34, 1,635,593.23 and 641,345.14

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Solution

The fourth proportional to 1,185,209.34, 1,635,593.23 and 641,345.14 is: 885,058.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,209.34 : 1,635,593.23 = 641,345.14 : x
  2. Step 2: Convert to fraction form
    1,185,209.34/1,635,593.23 = 641,345.14/x
  3. Step 3: Cross multiply
    1,185,209.34x = 1,635,593.23 × 641,345.14
  4. Step 4: Simplify right side
    1,185,209.34x = 1,048,979,769,077.40
  5. Step 5: Solve for x
    x = 1,048,979,769,077.40/1,185,209.34
  6. Step 6: Final answer
    x = 885,058.64

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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.