Home / 691,027.88-953,292.66-404,372.12

Finding the Fourth Proportional to 691,027.88, 953,292.66 and 404,372.12

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Solution

The fourth proportional to 691,027.88, 953,292.66 and 404,372.12 is: 557,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,027.88 : 953,292.66 = 404,372.12 : x
  2. Step 2: Convert to fraction form
    691,027.88/953,292.66 = 404,372.12/x
  3. Step 3: Cross multiply
    691,027.88x = 953,292.66 × 404,372.12
  4. Step 4: Simplify right side
    691,027.88x = 385,484,973,904.64
  5. Step 5: Solve for x
    x = 385,484,973,904.64/691,027.88
  6. Step 6: Final answer
    x = 557,842.87

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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.