Home / 1,384,436.64-1,910,518.80-772,583.04

Finding the Fourth Proportional to 1,384,436.64, 1,910,518.80 and 772,583.04

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Solution

The fourth proportional to 1,384,436.64, 1,910,518.80 and 772,583.04 is: 1,066,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,436.64 : 1,910,518.80 = 772,583.04 : x
  2. Step 2: Convert to fraction form
    1,384,436.64/1,910,518.80 = 772,583.04/x
  3. Step 3: Cross multiply
    1,384,436.64x = 1,910,518.80 × 772,583.04
  4. Step 4: Simplify right side
    1,384,436.64x = 1,476,034,422,481.15
  5. Step 5: Solve for x
    x = 1,476,034,422,481.15/1,384,436.64
  6. Step 6: Final answer
    x = 1,066,162.50

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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.