Home / 434,419.25-599,496.90-243,432.64

Finding the Fourth Proportional to 434,419.25, 599,496.90 and 243,432.64

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Solution

The fourth proportional to 434,419.25, 599,496.90 and 243,432.64 is: 335,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,419.25 : 599,496.90 = 243,432.64 : x
  2. Step 2: Convert to fraction form
    434,419.25/599,496.90 = 243,432.64/x
  3. Step 3: Cross multiply
    434,419.25x = 599,496.90 × 243,432.64
  4. Step 4: Simplify right side
    434,419.25x = 145,937,113,120.57
  5. Step 5: Solve for x
    x = 145,937,113,120.57/434,419.25
  6. Step 6: Final answer
    x = 335,936.11

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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.