Home / 805,960.09-1,112,234.09-461,789.11

Finding the Fourth Proportional to 805,960.09, 1,112,234.09 and 461,789.11

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Solution

The fourth proportional to 805,960.09, 1,112,234.09 and 461,789.11 is: 637,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,960.09 : 1,112,234.09 = 461,789.11 : x
  2. Step 2: Convert to fraction form
    805,960.09/1,112,234.09 = 461,789.11/x
  3. Step 3: Cross multiply
    805,960.09x = 1,112,234.09 × 461,789.11
  4. Step 4: Simplify right side
    805,960.09x = 513,617,590,532.76
  5. Step 5: Solve for x
    x = 513,617,590,532.76/805,960.09
  6. Step 6: Final answer
    x = 637,274.22

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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.