Home / 763,324.52-1,053,346.73-423,770.90

Finding the Fourth Proportional to 763,324.52, 1,053,346.73 and 423,770.90

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Solution

The fourth proportional to 763,324.52, 1,053,346.73 and 423,770.90 is: 584,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,324.52 : 1,053,346.73 = 423,770.90 : x
  2. Step 2: Convert to fraction form
    763,324.52/1,053,346.73 = 423,770.90/x
  3. Step 3: Cross multiply
    763,324.52x = 1,053,346.73 × 423,770.90
  4. Step 4: Simplify right side
    763,324.52x = 446,377,684,398.57
  5. Step 5: Solve for x
    x = 446,377,684,398.57/763,324.52
  6. Step 6: Final answer
    x = 584,781.01

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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.