Home / 690,399.06-952,522.38-403,716.21

Finding the Fourth Proportional to 690,399.06, 952,522.38 and 403,716.21

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Solution

The fourth proportional to 690,399.06, 952,522.38 and 403,716.21 is: 556,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,399.06 : 952,522.38 = 403,716.21 : x
  2. Step 2: Convert to fraction form
    690,399.06/952,522.38 = 403,716.21/x
  3. Step 3: Cross multiply
    690,399.06x = 952,522.38 × 403,716.21
  4. Step 4: Simplify right side
    690,399.06x = 384,548,725,193.78
  5. Step 5: Solve for x
    x = 384,548,725,193.78/690,399.06
  6. Step 6: Final answer
    x = 556,994.86

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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.