Home / 1,247,804.77-1,721,971.73-674,844.95

Finding the Fourth Proportional to 1,247,804.77, 1,721,971.73 and 674,844.95

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Solution

The fourth proportional to 1,247,804.77, 1,721,971.73 and 674,844.95 is: 931,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,804.77 : 1,721,971.73 = 674,844.95 : x
  2. Step 2: Convert to fraction form
    1,247,804.77/1,721,971.73 = 674,844.95/x
  3. Step 3: Cross multiply
    1,247,804.77x = 1,721,971.73 × 674,844.95
  4. Step 4: Simplify right side
    1,247,804.77x = 1,162,063,926,033.26
  5. Step 5: Solve for x
    x = 1,162,063,926,033.26/1,247,804.77
  6. Step 6: Final answer
    x = 931,286.65

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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.