Home / 328,325.80-492,517.50-240,670.12

Finding the Fourth Proportional to 328,325.80, 492,517.50 and 240,670.12

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Solution

The fourth proportional to 328,325.80, 492,517.50 and 240,670.12 is: 361,026.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,325.80 : 492,517.50 = 240,670.12 : x
  2. Step 2: Convert to fraction form
    328,325.80/492,517.50 = 240,670.12/x
  3. Step 3: Cross multiply
    328,325.80x = 492,517.50 × 240,670.12
  4. Step 4: Simplify right side
    328,325.80x = 118,534,245,827.10
  5. Step 5: Solve for x
    x = 118,534,245,827.10/328,325.80
  6. Step 6: Final answer
    x = 361,026.29

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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.