Home / 1,215,219.69-1,677,003.17-705,954.87

Finding the Fourth Proportional to 1,215,219.69, 1,677,003.17 and 705,954.87

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Solution

The fourth proportional to 1,215,219.69, 1,677,003.17 and 705,954.87 is: 974,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,219.69 : 1,677,003.17 = 705,954.87 : x
  2. Step 2: Convert to fraction form
    1,215,219.69/1,677,003.17 = 705,954.87/x
  3. Step 3: Cross multiply
    1,215,219.69x = 1,677,003.17 × 705,954.87
  4. Step 4: Simplify right side
    1,215,219.69x = 1,183,888,554,866.94
  5. Step 5: Solve for x
    x = 1,183,888,554,866.94/1,215,219.69
  6. Step 6: Final answer
    x = 974,217.72

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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.