Home / 648,267.20-971,623.20-332,561.60

Finding the Fourth Proportional to 648,267.20, 971,623.20 and 332,561.60

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Solution

The fourth proportional to 648,267.20, 971,623.20 and 332,561.60 is: 498,443.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,267.20 : 971,623.20 = 332,561.60 : x
  2. Step 2: Convert to fraction form
    648,267.20/971,623.20 = 332,561.60/x
  3. Step 3: Cross multiply
    648,267.20x = 971,623.20 × 332,561.60
  4. Step 4: Simplify right side
    648,267.20x = 323,124,565,989.12
  5. Step 5: Solve for x
    x = 323,124,565,989.12/648,267.20
  6. Step 6: Final answer
    x = 498,443.49

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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.