Home / 849,591.63-1,172,411.96-467,610.21

Finding the Fourth Proportional to 849,591.63, 1,172,411.96 and 467,610.21

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Solution

The fourth proportional to 849,591.63, 1,172,411.96 and 467,610.21 is: 645,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,591.63 : 1,172,411.96 = 467,610.21 : x
  2. Step 2: Convert to fraction form
    849,591.63/1,172,411.96 = 467,610.21/x
  3. Step 3: Cross multiply
    849,591.63x = 1,172,411.96 × 467,610.21
  4. Step 4: Simplify right side
    849,591.63x = 548,231,800,484.06
  5. Step 5: Solve for x
    x = 548,231,800,484.06/849,591.63
  6. Step 6: Final answer
    x = 645,288.61

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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.