Home / 763,654.94-1,053,782.16-441,385.92

Finding the Fourth Proportional to 763,654.94, 1,053,782.16 and 441,385.92

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Solution

The fourth proportional to 763,654.94, 1,053,782.16 and 441,385.92 is: 609,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,654.94 : 1,053,782.16 = 441,385.92 : x
  2. Step 2: Convert to fraction form
    763,654.94/1,053,782.16 = 441,385.92/x
  3. Step 3: Cross multiply
    763,654.94x = 1,053,782.16 × 441,385.92
  4. Step 4: Simplify right side
    763,654.94x = 465,124,608,171.19
  5. Step 5: Solve for x
    x = 465,124,608,171.19/763,654.94
  6. Step 6: Final answer
    x = 609,076.93

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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.