Home / 1,285,453.04-1,927,791.36-386,656.16

Finding the Fourth Proportional to 1,285,453.04, 1,927,791.36 and 386,656.16

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Solution

The fourth proportional to 1,285,453.04, 1,927,791.36 and 386,656.16 is: 579,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,453.04 : 1,927,791.36 = 386,656.16 : x
  2. Step 2: Convert to fraction form
    1,285,453.04/1,927,791.36 = 386,656.16/x
  3. Step 3: Cross multiply
    1,285,453.04x = 1,927,791.36 × 386,656.16
  4. Step 4: Simplify right side
    1,285,453.04x = 745,392,404,538.78
  5. Step 5: Solve for x
    x = 745,392,404,538.78/1,285,453.04
  6. Step 6: Final answer
    x = 579,867.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.