Home / 849,426.96-1,172,209.38-467,453.76

Finding the Fourth Proportional to 849,426.96, 1,172,209.38 and 467,453.76

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Solution

The fourth proportional to 849,426.96, 1,172,209.38 and 467,453.76 is: 645,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,426.96 : 1,172,209.38 = 467,453.76 : x
  2. Step 2: Convert to fraction form
    849,426.96/1,172,209.38 = 467,453.76/x
  3. Step 3: Cross multiply
    849,426.96x = 1,172,209.38 × 467,453.76
  4. Step 4: Simplify right side
    849,426.96x = 547,953,682,188.27
  5. Step 5: Solve for x
    x = 547,953,682,188.27/849,426.96
  6. Step 6: Final answer
    x = 645,086.29

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1.5x scale

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.