Home / 450,613.59-621,845.84-246,664.56

Finding the Fourth Proportional to 450,613.59, 621,845.84 and 246,664.56

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Solution

The fourth proportional to 450,613.59, 621,845.84 and 246,664.56 is: 340,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,613.59 : 621,845.84 = 246,664.56 : x
  2. Step 2: Convert to fraction form
    450,613.59/621,845.84 = 246,664.56/x
  3. Step 3: Cross multiply
    450,613.59x = 621,845.84 × 246,664.56
  4. Step 4: Simplify right side
    450,613.59x = 153,387,332,682.71
  5. Step 5: Solve for x
    x = 153,387,332,682.71/450,613.59
  6. Step 6: Final answer
    x = 340,396.60

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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.