Home / 1,641,723.40-2,265,405.78-953,260.66

Finding the Fourth Proportional to 1,641,723.40, 2,265,405.78 and 953,260.66

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Solution

The fourth proportional to 1,641,723.40, 2,265,405.78 and 953,260.66 is: 1,315,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,723.40 : 2,265,405.78 = 953,260.66 : x
  2. Step 2: Convert to fraction form
    1,641,723.40/2,265,405.78 = 953,260.66/x
  3. Step 3: Cross multiply
    1,641,723.40x = 2,265,405.78 × 953,260.66
  4. Step 4: Simplify right side
    1,641,723.40x = 2,159,522,209,010.61
  5. Step 5: Solve for x
    x = 2,159,522,209,010.61/1,641,723.40
  6. Step 6: Final answer
    x = 1,315,399.54

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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.