Home / 1,542,882.63-2,314,693.46-643,824.25

Finding the Fourth Proportional to 1,542,882.63, 2,314,693.46 and 643,824.25

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Solution

The fourth proportional to 1,542,882.63, 2,314,693.46 and 643,824.25 is: 965,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,882.63 : 2,314,693.46 = 643,824.25 : x
  2. Step 2: Convert to fraction form
    1,542,882.63/2,314,693.46 = 643,824.25/x
  3. Step 3: Cross multiply
    1,542,882.63x = 2,314,693.46 × 643,824.25
  4. Step 4: Simplify right side
    1,542,882.63x = 1,490,255,776,687.23
  5. Step 5: Solve for x
    x = 1,490,255,776,687.23/1,542,882.63
  6. Step 6: Final answer
    x = 965,890.56

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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.