Home / 763,236.52-1,053,213.62-423,677.96

Finding the Fourth Proportional to 763,236.52, 1,053,213.62 and 423,677.96

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Solution

The fourth proportional to 763,236.52, 1,053,213.62 and 423,677.96 is: 584,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,236.52 : 1,053,213.62 = 423,677.96 : x
  2. Step 2: Convert to fraction form
    763,236.52/1,053,213.62 = 423,677.96/x
  3. Step 3: Cross multiply
    763,236.52x = 1,053,213.62 × 423,677.96
  4. Step 4: Simplify right side
    763,236.52x = 446,223,397,965.82
  5. Step 5: Solve for x
    x = 446,223,397,965.82/763,236.52
  6. Step 6: Final answer
    x = 584,646.29

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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.