Home / 1,215,217.69-1,677,000.41-705,952.87

Finding the Fourth Proportional to 1,215,217.69, 1,677,000.41 and 705,952.87

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Solution

The fourth proportional to 1,215,217.69, 1,677,000.41 and 705,952.87 is: 974,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,217.69 : 1,677,000.41 = 705,952.87 : x
  2. Step 2: Convert to fraction form
    1,215,217.69/1,677,000.41 = 705,952.87/x
  3. Step 3: Cross multiply
    1,215,217.69x = 1,677,000.41 × 705,952.87
  4. Step 4: Simplify right side
    1,215,217.69x = 1,183,883,247,355.73
  5. Step 5: Solve for x
    x = 1,183,883,247,355.73/1,215,217.69
  6. Step 6: Final answer
    x = 974,214.96

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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.