Home / 1,679,173.43-2,317,233.69-944,128.40

Finding the Fourth Proportional to 1,679,173.43, 2,317,233.69 and 944,128.40

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Solution

The fourth proportional to 1,679,173.43, 2,317,233.69 and 944,128.40 is: 1,302,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,173.43 : 2,317,233.69 = 944,128.40 : x
  2. Step 2: Convert to fraction form
    1,679,173.43/2,317,233.69 = 944,128.40/x
  3. Step 3: Cross multiply
    1,679,173.43x = 2,317,233.69 × 944,128.40
  4. Step 4: Simplify right side
    1,679,173.43x = 2,187,766,124,579.63
  5. Step 5: Solve for x
    x = 2,187,766,124,579.63/1,679,173.43
  6. Step 6: Final answer
    x = 1,302,882.77

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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.