Home / 450,632.49-621,872.78-246,683.54

Finding the Fourth Proportional to 450,632.49, 621,872.78 and 246,683.54

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Solution

The fourth proportional to 450,632.49, 621,872.78 and 246,683.54 is: 340,423.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,632.49 : 621,872.78 = 246,683.54 : x
  2. Step 2: Convert to fraction form
    450,632.49/621,872.78 = 246,683.54/x
  3. Step 3: Cross multiply
    450,632.49x = 621,872.78 × 246,683.54
  4. Step 4: Simplify right side
    450,632.49x = 153,405,777,566.62
  5. Step 5: Solve for x
    x = 153,405,777,566.62/450,632.49
  6. Step 6: Final answer
    x = 340,423.26

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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.