Home / 827,722.70-1,142,264.86-501,043.22

Finding the Fourth Proportional to 827,722.70, 1,142,264.86 and 501,043.22

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Solution

The fourth proportional to 827,722.70, 1,142,264.86 and 501,043.22 is: 691,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,722.70 : 1,142,264.86 = 501,043.22 : x
  2. Step 2: Convert to fraction form
    827,722.70/1,142,264.86 = 501,043.22/x
  3. Step 3: Cross multiply
    827,722.70x = 1,142,264.86 × 501,043.22
  4. Step 4: Simplify right side
    827,722.70x = 572,324,062,275.99
  5. Step 5: Solve for x
    x = 572,324,062,275.99/827,722.70
  6. Step 6: Final answer
    x = 691,444.20

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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.