Home / 729,945.42-1,000,008.45-702,654.40

Finding the Fourth Proportional to 729,945.42, 1,000,008.45 and 702,654.40

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Solution

The fourth proportional to 729,945.42, 1,000,008.45 and 702,654.40 is: 962,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,945.42 : 1,000,008.45 = 702,654.40 : x
  2. Step 2: Convert to fraction form
    729,945.42/1,000,008.45 = 702,654.40/x
  3. Step 3: Cross multiply
    729,945.42x = 1,000,008.45 × 702,654.40
  4. Step 4: Simplify right side
    729,945.42x = 702,660,337,429.68
  5. Step 5: Solve for x
    x = 702,660,337,429.68/729,945.42
  6. Step 6: Final answer
    x = 962,620.38

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.