Home / 925,125.50-1,388,896.80-742,853.64

Finding the Fourth Proportional to 925,125.50, 1,388,896.80 and 742,853.64

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Solution

The fourth proportional to 925,125.50, 1,388,896.80 and 742,853.64 is: 1,115,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,125.50 : 1,388,896.80 = 742,853.64 : x
  2. Step 2: Convert to fraction form
    925,125.50/1,388,896.80 = 742,853.64/x
  3. Step 3: Cross multiply
    925,125.50x = 1,388,896.80 × 742,853.64
  4. Step 4: Simplify right side
    925,125.50x = 1,031,747,043,464.35
  5. Step 5: Solve for x
    x = 1,031,747,043,464.35/925,125.50
  6. Step 6: Final answer
    x = 1,115,250.90

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1.5x scale

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.