Home / 1,279,284.28-1,765,515.89-735,596.77

Finding the Fourth Proportional to 1,279,284.28, 1,765,515.89 and 735,596.77

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Solution

The fourth proportional to 1,279,284.28, 1,765,515.89 and 735,596.77 is: 1,015,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,284.28 : 1,765,515.89 = 735,596.77 : x
  2. Step 2: Convert to fraction form
    1,279,284.28/1,765,515.89 = 735,596.77/x
  3. Step 3: Cross multiply
    1,279,284.28x = 1,765,515.89 × 735,596.77
  4. Step 4: Simplify right side
    1,279,284.28x = 1,298,707,781,837.71
  5. Step 5: Solve for x
    x = 1,298,707,781,837.71/1,279,284.28
  6. Step 6: Final answer
    x = 1,015,183.10

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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.