Home / 1,105,457.43-1,525,521.37-622,012.92

Finding the Fourth Proportional to 1,105,457.43, 1,525,521.37 and 622,012.92

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Solution

The fourth proportional to 1,105,457.43, 1,525,521.37 and 622,012.92 is: 858,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,457.43 : 1,525,521.37 = 622,012.92 : x
  2. Step 2: Convert to fraction form
    1,105,457.43/1,525,521.37 = 622,012.92/x
  3. Step 3: Cross multiply
    1,105,457.43x = 1,525,521.37 × 622,012.92
  4. Step 4: Simplify right side
    1,105,457.43x = 948,894,001,876.10
  5. Step 5: Solve for x
    x = 948,894,001,876.10/1,105,457.43
  6. Step 6: Final answer
    x = 858,372.27

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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.