Home / 783,208.64-1,081,001.76-443,864

Finding the Fourth Proportional to 783,208.64, 1,081,001.76 and 443,864

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Solution

The fourth proportional to 783,208.64, 1,081,001.76 and 443,864 is: 612,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,208.64 : 1,081,001.76 = 443,864 : x
  2. Step 2: Convert to fraction form
    783,208.64/1,081,001.76 = 443,864/x
  3. Step 3: Cross multiply
    783,208.64x = 1,081,001.76 × 443,864
  4. Step 4: Simplify right side
    783,208.64x = 479,817,765,200.64
  5. Step 5: Solve for x
    x = 479,817,765,200.64/783,208.64
  6. Step 6: Final answer
    x = 612,630.84

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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.