Home / 1,227,425.85-1,693,726.31-683,612.24

Finding the Fourth Proportional to 1,227,425.85, 1,693,726.31 and 683,612.24

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Solution

The fourth proportional to 1,227,425.85, 1,693,726.31 and 683,612.24 is: 943,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,425.85 : 1,693,726.31 = 683,612.24 : x
  2. Step 2: Convert to fraction form
    1,227,425.85/1,693,726.31 = 683,612.24/x
  3. Step 3: Cross multiply
    1,227,425.85x = 1,693,726.31 × 683,612.24
  4. Step 4: Simplify right side
    1,227,425.85x = 1,157,852,029,966.43
  5. Step 5: Solve for x
    x = 1,157,852,029,966.43/1,227,425.85
  6. Step 6: Final answer
    x = 943,317.29

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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.