Home / 434,399.18-599,487.09-243,405.50

Finding the Fourth Proportional to 434,399.18, 599,487.09 and 243,405.50

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Solution

The fourth proportional to 434,399.18, 599,487.09 and 243,405.50 is: 335,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,399.18 : 599,487.09 = 243,405.50 : x
  2. Step 2: Convert to fraction form
    434,399.18/599,487.09 = 243,405.50/x
  3. Step 3: Cross multiply
    434,399.18x = 599,487.09 × 243,405.50
  4. Step 4: Simplify right side
    434,399.18x = 145,918,454,885.00
  5. Step 5: Solve for x
    x = 145,918,454,885.00/434,399.18
  6. Step 6: Final answer
    x = 335,908.68

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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.