Home / 775,161.54-1,069,056.81-502,961.22

Finding the Fourth Proportional to 775,161.54, 1,069,056.81 and 502,961.22

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Solution

The fourth proportional to 775,161.54, 1,069,056.81 and 502,961.22 is: 693,654.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,161.54 : 1,069,056.81 = 502,961.22 : x
  2. Step 2: Convert to fraction form
    775,161.54/1,069,056.81 = 502,961.22/x
  3. Step 3: Cross multiply
    775,161.54x = 1,069,056.81 × 502,961.22
  4. Step 4: Simplify right side
    775,161.54x = 537,694,117,406.91
  5. Step 5: Solve for x
    x = 537,694,117,406.91/775,161.54
  6. Step 6: Final answer
    x = 693,654.28

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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.