Home / 1,295,123.85-1,787,226.66-714,370.05

Finding the Fourth Proportional to 1,295,123.85, 1,787,226.66 and 714,370.05

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Solution

The fourth proportional to 1,295,123.85, 1,787,226.66 and 714,370.05 is: 985,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,123.85 : 1,787,226.66 = 714,370.05 : x
  2. Step 2: Convert to fraction form
    1,295,123.85/1,787,226.66 = 714,370.05/x
  3. Step 3: Cross multiply
    1,295,123.85x = 1,787,226.66 × 714,370.05
  4. Step 4: Simplify right side
    1,295,123.85x = 1,276,741,198,465.53
  5. Step 5: Solve for x
    x = 1,276,741,198,465.53/1,295,123.85
  6. Step 6: Final answer
    x = 985,806.26

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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.