Home / 849,155.10-1,171,836.15-467,205.66

Finding the Fourth Proportional to 849,155.10, 1,171,836.15 and 467,205.66

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Solution

The fourth proportional to 849,155.10, 1,171,836.15 and 467,205.66 is: 644,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,155.10 : 1,171,836.15 = 467,205.66 : x
  2. Step 2: Convert to fraction form
    849,155.10/1,171,836.15 = 467,205.66/x
  3. Step 3: Cross multiply
    849,155.10x = 1,171,836.15 × 467,205.66
  4. Step 4: Simplify right side
    849,155.10x = 547,488,481,872.61
  5. Step 5: Solve for x
    x = 547,488,481,872.61/849,155.10
  6. Step 6: Final answer
    x = 644,744.97

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Double scale
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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.