Home / 849,423.43-1,172,204.51-467,450.21

Finding the Fourth Proportional to 849,423.43, 1,172,204.51 and 467,450.21

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Solution

The fourth proportional to 849,423.43, 1,172,204.51 and 467,450.21 is: 645,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,423.43 : 1,172,204.51 = 467,450.21 : x
  2. Step 2: Convert to fraction form
    849,423.43/1,172,204.51 = 467,450.21/x
  3. Step 3: Cross multiply
    849,423.43x = 1,172,204.51 × 467,450.21
  4. Step 4: Simplify right side
    849,423.43x = 547,947,244,362.45
  5. Step 5: Solve for x
    x = 547,947,244,362.45/849,423.43
  6. Step 6: Final answer
    x = 645,081.39

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Double scale
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Similar ratio
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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.