Home / 1,146,160.63-1,581,668.22-656,113.90

Finding the Fourth Proportional to 1,146,160.63, 1,581,668.22 and 656,113.90

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Solution

The fourth proportional to 1,146,160.63, 1,581,668.22 and 656,113.90 is: 905,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,160.63 : 1,581,668.22 = 656,113.90 : x
  2. Step 2: Convert to fraction form
    1,146,160.63/1,581,668.22 = 656,113.90/x
  3. Step 3: Cross multiply
    1,146,160.63x = 1,581,668.22 × 656,113.90
  4. Step 4: Simplify right side
    1,146,160.63x = 1,037,754,501,049.69
  5. Step 5: Solve for x
    x = 1,037,754,501,049.69/1,146,160.63
  6. Step 6: Final answer
    x = 905,418.04

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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.