Home / 763,663.28-1,053,793.50-441,394.16

Finding the Fourth Proportional to 763,663.28, 1,053,793.50 and 441,394.16

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Solution

The fourth proportional to 763,663.28, 1,053,793.50 and 441,394.16 is: 609,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,663.28 : 1,053,793.50 = 441,394.16 : x
  2. Step 2: Convert to fraction form
    763,663.28/1,053,793.50 = 441,394.16/x
  3. Step 3: Cross multiply
    763,663.28x = 1,053,793.50 × 441,394.16
  4. Step 4: Simplify right side
    763,663.28x = 465,138,296,745.96
  5. Step 5: Solve for x
    x = 465,138,296,745.96/763,663.28
  6. Step 6: Final answer
    x = 609,088.21

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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.