Home / 526,787.40-726,999.53-297,383.55

Finding the Fourth Proportional to 526,787.40, 726,999.53 and 297,383.55

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Solution

The fourth proportional to 526,787.40, 726,999.53 and 297,383.55 is: 410,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,787.40 : 726,999.53 = 297,383.55 : x
  2. Step 2: Convert to fraction form
    526,787.40/726,999.53 = 297,383.55/x
  3. Step 3: Cross multiply
    526,787.40x = 726,999.53 × 297,383.55
  4. Step 4: Simplify right side
    526,787.40x = 216,197,701,079.73
  5. Step 5: Solve for x
    x = 216,197,701,079.73/526,787.40
  6. Step 6: Final answer
    x = 410,407.88

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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.