Home / 457,736.60-631,673.48-253,787.60

Finding the Fourth Proportional to 457,736.60, 631,673.48 and 253,787.60

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Solution

The fourth proportional to 457,736.60, 631,673.48 and 253,787.60 is: 350,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,736.60 : 631,673.48 = 253,787.60 : x
  2. Step 2: Convert to fraction form
    457,736.60/631,673.48 = 253,787.60/x
  3. Step 3: Cross multiply
    457,736.60x = 631,673.48 × 253,787.60
  4. Step 4: Simplify right side
    457,736.60x = 160,310,896,472.85
  5. Step 5: Solve for x
    x = 160,310,896,472.85/457,736.60
  6. Step 6: Final answer
    x = 350,225.21

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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.