Home / 620,131.60-929,541.30-240,905.80

Finding the Fourth Proportional to 620,131.60, 929,541.30 and 240,905.80

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Solution

The fourth proportional to 620,131.60, 929,541.30 and 240,905.80 is: 361,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,131.60 : 929,541.30 = 240,905.80 : x
  2. Step 2: Convert to fraction form
    620,131.60/929,541.30 = 240,905.80/x
  3. Step 3: Cross multiply
    620,131.60x = 929,541.30 × 240,905.80
  4. Step 4: Simplify right side
    620,131.60x = 223,931,890,509.54
  5. Step 5: Solve for x
    x = 223,931,890,509.54/620,131.60
  6. Step 6: Final answer
    x = 361,103.82

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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.