Home / 1,227,625.81-1,694,124.11-711,678.83

Finding the Fourth Proportional to 1,227,625.81, 1,694,124.11 and 711,678.83

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Solution

The fourth proportional to 1,227,625.81, 1,694,124.11 and 711,678.83 is: 982,117.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,625.81 : 1,694,124.11 = 711,678.83 : x
  2. Step 2: Convert to fraction form
    1,227,625.81/1,694,124.11 = 711,678.83/x
  3. Step 3: Cross multiply
    1,227,625.81x = 1,694,124.11 × 711,678.83
  4. Step 4: Simplify right side
    1,227,625.81x = 1,205,672,267,007.50
  5. Step 5: Solve for x
    x = 1,205,672,267,007.50/1,227,625.81
  6. Step 6: Final answer
    x = 982,117.07

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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.