Home / 1,224,103.77-1,689,256.80-672,832.17

Finding the Fourth Proportional to 1,224,103.77, 1,689,256.80 and 672,832.17

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Solution

The fourth proportional to 1,224,103.77, 1,689,256.80 and 672,832.17 is: 928,504.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,103.77 : 1,689,256.80 = 672,832.17 : x
  2. Step 2: Convert to fraction form
    1,224,103.77/1,689,256.80 = 672,832.17/x
  3. Step 3: Cross multiply
    1,224,103.77x = 1,689,256.80 × 672,832.17
  4. Step 4: Simplify right side
    1,224,103.77x = 1,136,586,318,431.26
  5. Step 5: Solve for x
    x = 1,136,586,318,431.26/1,224,103.77
  6. Step 6: Final answer
    x = 928,504.88

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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.