Home / 1,010,511.87-1,394,175.17-720,169.16

Finding the Fourth Proportional to 1,010,511.87, 1,394,175.17 and 720,169.16

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Solution

The fourth proportional to 1,010,511.87, 1,394,175.17 and 720,169.16 is: 993,597.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,511.87 : 1,394,175.17 = 720,169.16 : x
  2. Step 2: Convert to fraction form
    1,010,511.87/1,394,175.17 = 720,169.16/x
  3. Step 3: Cross multiply
    1,010,511.87x = 1,394,175.17 × 720,169.16
  4. Step 4: Simplify right side
    1,010,511.87x = 1,004,041,950,500.04
  5. Step 5: Solve for x
    x = 1,004,041,950,500.04/1,010,511.87
  6. Step 6: Final answer
    x = 993,597.38

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1.5x scale

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.