Home / 1,631,275-2,447,432.52-684,391.48

Finding the Fourth Proportional to 1,631,275, 2,447,432.52 and 684,391.48

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Solution

The fourth proportional to 1,631,275, 2,447,432.52 and 684,391.48 is: 1,026,805.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,275 : 2,447,432.52 = 684,391.48 : x
  2. Step 2: Convert to fraction form
    1,631,275/2,447,432.52 = 684,391.48/x
  3. Step 3: Cross multiply
    1,631,275x = 2,447,432.52 × 684,391.48
  4. Step 4: Simplify right side
    1,631,275x = 1,675,001,964,562.93
  5. Step 5: Solve for x
    x = 1,675,001,964,562.93/1,631,275
  6. Step 6: Final answer
    x = 1,026,805.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.