Home / 1,003,783.86-1,385,204.49-551,071.62

Finding the Fourth Proportional to 1,003,783.86, 1,385,204.49 and 551,071.62

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Solution

The fourth proportional to 1,003,783.86, 1,385,204.49 and 551,071.62 is: 760,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,783.86 : 1,385,204.49 = 551,071.62 : x
  2. Step 2: Convert to fraction form
    1,003,783.86/1,385,204.49 = 551,071.62/x
  3. Step 3: Cross multiply
    1,003,783.86x = 1,385,204.49 × 551,071.62
  4. Step 4: Simplify right side
    1,003,783.86x = 763,346,882,335.57
  5. Step 5: Solve for x
    x = 763,346,882,335.57/1,003,783.86
  6. Step 6: Final answer
    x = 760,469.37

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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.