Home / 326,234.16-451,091.16-284,243.76

Finding the Fourth Proportional to 326,234.16, 451,091.16 and 284,243.76

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Solution

The fourth proportional to 326,234.16, 451,091.16 and 284,243.76 is: 393,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,234.16 : 451,091.16 = 284,243.76 : x
  2. Step 2: Convert to fraction form
    326,234.16/451,091.16 = 284,243.76/x
  3. Step 3: Cross multiply
    326,234.16x = 451,091.16 × 284,243.76
  4. Step 4: Simplify right side
    326,234.16x = 128,219,847,421.16
  5. Step 5: Solve for x
    x = 128,219,847,421.16/326,234.16
  6. Step 6: Final answer
    x = 393,030.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.