Home / 923,785.20-1,385,389.80-362,991.60

Finding the Fourth Proportional to 923,785.20, 1,385,389.80 and 362,991.60

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Solution

The fourth proportional to 923,785.20, 1,385,389.80 and 362,991.60 is: 544,374.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,785.20 : 1,385,389.80 = 362,991.60 : x
  2. Step 2: Convert to fraction form
    923,785.20/1,385,389.80 = 362,991.60/x
  3. Step 3: Cross multiply
    923,785.20x = 1,385,389.80 × 362,991.60
  4. Step 4: Simplify right side
    923,785.20x = 502,884,860,125.68
  5. Step 5: Solve for x
    x = 502,884,860,125.68/923,785.20
  6. Step 6: Final answer
    x = 544,374.23

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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.