Home / 434,399.43-599,487.44-243,405.75

Finding the Fourth Proportional to 434,399.43, 599,487.44 and 243,405.75

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Solution

The fourth proportional to 434,399.43, 599,487.44 and 243,405.75 is: 335,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,399.43 : 599,487.44 = 243,405.75 : x
  2. Step 2: Convert to fraction form
    434,399.43/599,487.44 = 243,405.75/x
  3. Step 3: Cross multiply
    434,399.43x = 599,487.44 × 243,405.75
  4. Step 4: Simplify right side
    434,399.43x = 145,918,688,731.75
  5. Step 5: Solve for x
    x = 145,918,688,731.75/434,399.43
  6. Step 6: Final answer
    x = 335,909.02

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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.