Home / 923,843.20-1,385,764.80-656,154.40

Finding the Fourth Proportional to 923,843.20, 1,385,764.80 and 656,154.40

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Solution

The fourth proportional to 923,843.20, 1,385,764.80 and 656,154.40 is: 984,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,843.20 : 1,385,764.80 = 656,154.40 : x
  2. Step 2: Convert to fraction form
    923,843.20/1,385,764.80 = 656,154.40/x
  3. Step 3: Cross multiply
    923,843.20x = 1,385,764.80 × 656,154.40
  4. Step 4: Simplify right side
    923,843.20x = 909,275,670,885.12
  5. Step 5: Solve for x
    x = 909,275,670,885.12/923,843.20
  6. Step 6: Final answer
    x = 984,231.60

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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.