Home / 745,827.51-1,119,298.42-505,371.26

Finding the Fourth Proportional to 745,827.51, 1,119,298.42 and 505,371.26

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Solution

The fourth proportional to 745,827.51, 1,119,298.42 and 505,371.26 is: 758,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,827.51 : 1,119,298.42 = 505,371.26 : x
  2. Step 2: Convert to fraction form
    745,827.51/1,119,298.42 = 505,371.26/x
  3. Step 3: Cross multiply
    745,827.51x = 1,119,298.42 × 505,371.26
  4. Step 4: Simplify right side
    745,827.51x = 565,661,253,418.66
  5. Step 5: Solve for x
    x = 565,661,253,418.66/745,827.51
  6. Step 6: Final answer
    x = 758,434.42

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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.