Home / 1,198,303.74-1,653,650.75-654,439.68

Finding the Fourth Proportional to 1,198,303.74, 1,653,650.75 and 654,439.68

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Solution

The fourth proportional to 1,198,303.74, 1,653,650.75 and 654,439.68 is: 903,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,303.74 : 1,653,650.75 = 654,439.68 : x
  2. Step 2: Convert to fraction form
    1,198,303.74/1,653,650.75 = 654,439.68/x
  3. Step 3: Cross multiply
    1,198,303.74x = 1,653,650.75 × 654,439.68
  4. Step 4: Simplify right side
    1,198,303.74x = 1,082,214,669,297.86
  5. Step 5: Solve for x
    x = 1,082,214,669,297.86/1,198,303.74
  6. Step 6: Final answer
    x = 903,122.17

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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.