Home / 729,954.84-1,000,021.45-702,663.91

Finding the Fourth Proportional to 729,954.84, 1,000,021.45 and 702,663.91

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Solution

The fourth proportional to 729,954.84, 1,000,021.45 and 702,663.91 is: 962,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,954.84 : 1,000,021.45 = 702,663.91 : x
  2. Step 2: Convert to fraction form
    729,954.84/1,000,021.45 = 702,663.91/x
  3. Step 3: Cross multiply
    729,954.84x = 1,000,021.45 × 702,663.91
  4. Step 4: Simplify right side
    729,954.84x = 702,678,982,140.87
  5. Step 5: Solve for x
    x = 702,678,982,140.87/729,954.84
  6. Step 6: Final answer
    x = 962,633.51

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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.