Home / 923,610.40-1,384,378.80-474,157.60

Finding the Fourth Proportional to 923,610.40, 1,384,378.80 and 474,157.60

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Solution

The fourth proportional to 923,610.40, 1,384,378.80 and 474,157.60 is: 710,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,610.40 : 1,384,378.80 = 474,157.60 : x
  2. Step 2: Convert to fraction form
    923,610.40/1,384,378.80 = 474,157.60/x
  3. Step 3: Cross multiply
    923,610.40x = 1,384,378.80 × 474,157.60
  4. Step 4: Simplify right side
    923,610.40x = 656,413,729,298.88
  5. Step 5: Solve for x
    x = 656,413,729,298.88/923,610.40
  6. Step 6: Final answer
    x = 710,704.13

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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.