Home / 1,317,468.16-1,818,112.32-713,856

Finding the Fourth Proportional to 1,317,468.16, 1,818,112.32 and 713,856

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Solution

The fourth proportional to 1,317,468.16, 1,818,112.32 and 713,856 is: 985,124.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,468.16 : 1,818,112.32 = 713,856 : x
  2. Step 2: Convert to fraction form
    1,317,468.16/1,818,112.32 = 713,856/x
  3. Step 3: Cross multiply
    1,317,468.16x = 1,818,112.32 × 713,856
  4. Step 4: Simplify right side
    1,317,468.16x = 1,297,870,388,305.92
  5. Step 5: Solve for x
    x = 1,297,870,388,305.92/1,317,468.16
  6. Step 6: Final answer
    x = 985,124.67

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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.