Home / 1,000,809.78-1,381,111.22-541,914.64

Finding the Fourth Proportional to 1,000,809.78, 1,381,111.22 and 541,914.64

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Solution

The fourth proportional to 1,000,809.78, 1,381,111.22 and 541,914.64 is: 747,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,809.78 : 1,381,111.22 = 541,914.64 : x
  2. Step 2: Convert to fraction form
    1,000,809.78/1,381,111.22 = 541,914.64/x
  3. Step 3: Cross multiply
    1,000,809.78x = 1,381,111.22 × 541,914.64
  4. Step 4: Simplify right side
    1,000,809.78x = 748,444,387,488.27
  5. Step 5: Solve for x
    x = 748,444,387,488.27/1,000,809.78
  6. Step 6: Final answer
    x = 747,838.81

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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.