Home / 925,913.28-1,387,282.56-621,737.28

Finding the Fourth Proportional to 925,913.28, 1,387,282.56 and 621,737.28

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Solution

The fourth proportional to 925,913.28, 1,387,282.56 and 621,737.28 is: 931,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,913.28 : 1,387,282.56 = 621,737.28 : x
  2. Step 2: Convert to fraction form
    925,913.28/1,387,282.56 = 621,737.28/x
  3. Step 3: Cross multiply
    925,913.28x = 1,387,282.56 × 621,737.28
  4. Step 4: Simplify right side
    925,913.28x = 862,525,285,445.84
  5. Step 5: Solve for x
    x = 862,525,285,445.84/925,913.28
  6. Step 6: Final answer
    x = 931,540.03

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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.