Home / 763,618.57-1,053,732.17-441,349.54

Finding the Fourth Proportional to 763,618.57, 1,053,732.17 and 441,349.54

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Solution

The fourth proportional to 763,618.57, 1,053,732.17 and 441,349.54 is: 609,026.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,618.57 : 1,053,732.17 = 441,349.54 : x
  2. Step 2: Convert to fraction form
    763,618.57/1,053,732.17 = 441,349.54/x
  3. Step 3: Cross multiply
    763,618.57x = 1,053,732.17 × 441,349.54
  4. Step 4: Simplify right side
    763,618.57x = 465,064,201,037.29
  5. Step 5: Solve for x
    x = 465,064,201,037.29/763,618.57
  6. Step 6: Final answer
    x = 609,026.84

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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.