Home / 960,729.78-1,439,929.41-705,645.03

Finding the Fourth Proportional to 960,729.78, 1,439,929.41 and 705,645.03

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Solution

The fourth proportional to 960,729.78, 1,439,929.41 and 705,645.03 is: 1,057,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,729.78 : 1,439,929.41 = 705,645.03 : x
  2. Step 2: Convert to fraction form
    960,729.78/1,439,929.41 = 705,645.03/x
  3. Step 3: Cross multiply
    960,729.78x = 1,439,929.41 × 705,645.03
  4. Step 4: Simplify right side
    960,729.78x = 1,016,079,031,717.33
  5. Step 5: Solve for x
    x = 1,016,079,031,717.33/960,729.78
  6. Step 6: Final answer
    x = 1,057,611.67

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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.