Home / 745,949.52-1,029,791.56-505,502.48

Finding the Fourth Proportional to 745,949.52, 1,029,791.56 and 505,502.48

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Solution

The fourth proportional to 745,949.52, 1,029,791.56 and 505,502.48 is: 697,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,949.52 : 1,029,791.56 = 505,502.48 : x
  2. Step 2: Convert to fraction form
    745,949.52/1,029,791.56 = 505,502.48/x
  3. Step 3: Cross multiply
    745,949.52x = 1,029,791.56 × 505,502.48
  4. Step 4: Simplify right side
    745,949.52x = 520,562,187,463.07
  5. Step 5: Solve for x
    x = 520,562,187,463.07/745,949.52
  6. Step 6: Final answer
    x = 697,851.76

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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.