Home / 691,092.72-953,381.88-404,435.34

Finding the Fourth Proportional to 691,092.72, 953,381.88 and 404,435.34

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Solution

The fourth proportional to 691,092.72, 953,381.88 and 404,435.34 is: 557,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,092.72 : 953,381.88 = 404,435.34 : x
  2. Step 2: Convert to fraction form
    691,092.72/953,381.88 = 404,435.34/x
  3. Step 3: Cross multiply
    691,092.72x = 953,381.88 × 404,435.34
  4. Step 4: Simplify right side
    691,092.72x = 385,581,324,787.64
  5. Step 5: Solve for x
    x = 385,581,324,787.64/691,092.72
  6. Step 6: Final answer
    x = 557,929.95

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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.