Home / 1,317,683.70-1,976,525.55-868,911.30

Finding the Fourth Proportional to 1,317,683.70, 1,976,525.55 and 868,911.30

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Solution

The fourth proportional to 1,317,683.70, 1,976,525.55 and 868,911.30 is: 1,303,366.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,683.70 : 1,976,525.55 = 868,911.30 : x
  2. Step 2: Convert to fraction form
    1,317,683.70/1,976,525.55 = 868,911.30/x
  3. Step 3: Cross multiply
    1,317,683.70x = 1,976,525.55 × 868,911.30
  4. Step 4: Simplify right side
    1,317,683.70x = 1,717,425,385,133.72
  5. Step 5: Solve for x
    x = 1,717,425,385,133.72/1,317,683.70
  6. Step 6: Final answer
    x = 1,303,366.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.