Home / 460,725.45-636,052.05-318,252.12

Finding the Fourth Proportional to 460,725.45, 636,052.05 and 318,252.12

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Solution

The fourth proportional to 460,725.45, 636,052.05 and 318,252.12 is: 439,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,725.45 : 636,052.05 = 318,252.12 : x
  2. Step 2: Convert to fraction form
    460,725.45/636,052.05 = 318,252.12/x
  3. Step 3: Cross multiply
    460,725.45x = 636,052.05 × 318,252.12
  4. Step 4: Simplify right side
    460,725.45x = 202,424,913,342.85
  5. Step 5: Solve for x
    x = 202,424,913,342.85/460,725.45
  6. Step 6: Final answer
    x = 439,361.26

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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.