Home / 1,110,448.76-1,665,673.13-400,476.79

Finding the Fourth Proportional to 1,110,448.76, 1,665,673.13 and 400,476.79

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Solution

The fourth proportional to 1,110,448.76, 1,665,673.13 and 400,476.79 is: 600,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,448.76 : 1,665,673.13 = 400,476.79 : x
  2. Step 2: Convert to fraction form
    1,110,448.76/1,665,673.13 = 400,476.79/x
  3. Step 3: Cross multiply
    1,110,448.76x = 1,665,673.13 × 400,476.79
  4. Step 4: Simplify right side
    1,110,448.76x = 667,063,431,374.94
  5. Step 5: Solve for x
    x = 667,063,431,374.94/1,110,448.76
  6. Step 6: Final answer
    x = 600,715.18

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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.