Home / 727,498.70-1,003,600.48-565,243.28

Finding the Fourth Proportional to 727,498.70, 1,003,600.48 and 565,243.28

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Solution

The fourth proportional to 727,498.70, 1,003,600.48 and 565,243.28 is: 779,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,498.70 : 1,003,600.48 = 565,243.28 : x
  2. Step 2: Convert to fraction form
    727,498.70/1,003,600.48 = 565,243.28/x
  3. Step 3: Cross multiply
    727,498.70x = 1,003,600.48 × 565,243.28
  4. Step 4: Simplify right side
    727,498.70x = 567,278,427,124.77
  5. Step 5: Solve for x
    x = 567,278,427,124.77/727,498.70
  6. Step 6: Final answer
    x = 779,765.55

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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.