Home / 1,311,638.36-1,967,768.85-413,077.82

Finding the Fourth Proportional to 1,311,638.36, 1,967,768.85 and 413,077.82

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Solution

The fourth proportional to 1,311,638.36, 1,967,768.85 and 413,077.82 is: 619,714.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,638.36 : 1,967,768.85 = 413,077.82 : x
  2. Step 2: Convert to fraction form
    1,311,638.36/1,967,768.85 = 413,077.82/x
  3. Step 3: Cross multiply
    1,311,638.36x = 1,967,768.85 × 413,077.82
  4. Step 4: Simplify right side
    1,311,638.36x = 812,841,666,821.91
  5. Step 5: Solve for x
    x = 812,841,666,821.91/1,311,638.36
  6. Step 6: Final answer
    x = 619,714.77

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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.