Home / 379,636.27-523,690.82-243,518.81

Finding the Fourth Proportional to 379,636.27, 523,690.82 and 243,518.81

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Solution

The fourth proportional to 379,636.27, 523,690.82 and 243,518.81 is: 335,923.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,636.27 : 523,690.82 = 243,518.81 : x
  2. Step 2: Convert to fraction form
    379,636.27/523,690.82 = 243,518.81/x
  3. Step 3: Cross multiply
    379,636.27x = 523,690.82 × 243,518.81
  4. Step 4: Simplify right side
    379,636.27x = 127,528,562,371.47
  5. Step 5: Solve for x
    x = 127,528,562,371.47/379,636.27
  6. Step 6: Final answer
    x = 335,923.02

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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.