Home / 1,217,508.36-1,680,211.11-673,635.34

Finding the Fourth Proportional to 1,217,508.36, 1,680,211.11 and 673,635.34

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Solution

The fourth proportional to 1,217,508.36, 1,680,211.11 and 673,635.34 is: 929,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,508.36 : 1,680,211.11 = 673,635.34 : x
  2. Step 2: Convert to fraction form
    1,217,508.36/1,680,211.11 = 673,635.34/x
  3. Step 3: Cross multiply
    1,217,508.36x = 1,680,211.11 × 673,635.34
  4. Step 4: Simplify right side
    1,217,508.36x = 1,131,849,582,356.63
  5. Step 5: Solve for x
    x = 1,131,849,582,356.63/1,217,508.36
  6. Step 6: Final answer
    x = 929,644.20

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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.