Home / 442,725.10-610,957.78-251,738.46

Finding the Fourth Proportional to 442,725.10, 610,957.78 and 251,738.46

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Solution

The fourth proportional to 442,725.10, 610,957.78 and 251,738.46 is: 347,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,725.10 : 610,957.78 = 251,738.46 : x
  2. Step 2: Convert to fraction form
    442,725.10/610,957.78 = 251,738.46/x
  3. Step 3: Cross multiply
    442,725.10x = 610,957.78 × 251,738.46
  4. Step 4: Simplify right side
    442,725.10x = 153,801,570,662.22
  5. Step 5: Solve for x
    x = 153,801,570,662.22/442,725.10
  6. Step 6: Final answer
    x = 347,397.45

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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.