Home / 855,776.50-1,180,967.11-468,584.89

Finding the Fourth Proportional to 855,776.50, 1,180,967.11 and 468,584.89

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Solution

The fourth proportional to 855,776.50, 1,180,967.11 and 468,584.89 is: 646,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,776.50 : 1,180,967.11 = 468,584.89 : x
  2. Step 2: Convert to fraction form
    855,776.50/1,180,967.11 = 468,584.89/x
  3. Step 3: Cross multiply
    855,776.50x = 1,180,967.11 × 468,584.89
  4. Step 4: Simplify right side
    855,776.50x = 553,383,343,332.97
  5. Step 5: Solve for x
    x = 553,383,343,332.97/855,776.50
  6. Step 6: Final answer
    x = 646,644.71

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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.