Home / 608,769.20-914,190.60-432,513.20

Finding the Fourth Proportional to 608,769.20, 914,190.60 and 432,513.20

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Solution

The fourth proportional to 608,769.20, 914,190.60 and 432,513.20 is: 649,506.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,769.20 : 914,190.60 = 432,513.20 : x
  2. Step 2: Convert to fraction form
    608,769.20/914,190.60 = 432,513.20/x
  3. Step 3: Cross multiply
    608,769.20x = 914,190.60 × 432,513.20
  4. Step 4: Simplify right side
    608,769.20x = 395,399,501,815.92
  5. Step 5: Solve for x
    x = 395,399,501,815.92/608,769.20
  6. Step 6: Final answer
    x = 649,506.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.