Home / 437,534.20-656,301.30-326,942.20

Finding the Fourth Proportional to 437,534.20, 656,301.30 and 326,942.20

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Solution

The fourth proportional to 437,534.20, 656,301.30 and 326,942.20 is: 490,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,534.20 : 656,301.30 = 326,942.20 : x
  2. Step 2: Convert to fraction form
    437,534.20/656,301.30 = 326,942.20/x
  3. Step 3: Cross multiply
    437,534.20x = 656,301.30 × 326,942.20
  4. Step 4: Simplify right side
    437,534.20x = 214,572,590,884.86
  5. Step 5: Solve for x
    x = 214,572,590,884.86/437,534.20
  6. Step 6: Final answer
    x = 490,413.30

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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.