Home / 763,727.96-1,053,827.43-441,375.81

Finding the Fourth Proportional to 763,727.96, 1,053,827.43 and 441,375.81

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Solution

The fourth proportional to 763,727.96, 1,053,827.43 and 441,375.81 is: 609,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,727.96 : 1,053,827.43 = 441,375.81 : x
  2. Step 2: Convert to fraction form
    763,727.96/1,053,827.43 = 441,375.81/x
  3. Step 3: Cross multiply
    763,727.96x = 1,053,827.43 × 441,375.81
  4. Step 4: Simplify right side
    763,727.96x = 465,133,935,516.47
  5. Step 5: Solve for x
    x = 465,133,935,516.47/763,727.96
  6. Step 6: Final answer
    x = 609,030.91

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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.