Home / 434,358.48-599,438.70-243,433.38

Finding the Fourth Proportional to 434,358.48, 599,438.70 and 243,433.38

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Solution

The fourth proportional to 434,358.48, 599,438.70 and 243,433.38 is: 335,951.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,358.48 : 599,438.70 = 243,433.38 : x
  2. Step 2: Convert to fraction form
    434,358.48/599,438.70 = 243,433.38/x
  3. Step 3: Cross multiply
    434,358.48x = 599,438.70 × 243,433.38
  4. Step 4: Simplify right side
    434,358.48x = 145,923,388,843.81
  5. Step 5: Solve for x
    x = 145,923,388,843.81/434,358.48
  6. Step 6: Final answer
    x = 335,951.51

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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.