Home / 528,067.40-792,101.10-173,117.30

Finding the Fourth Proportional to 528,067.40, 792,101.10 and 173,117.30

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Solution

The fourth proportional to 528,067.40, 792,101.10 and 173,117.30 is: 259,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,067.40 : 792,101.10 = 173,117.30 : x
  2. Step 2: Convert to fraction form
    528,067.40/792,101.10 = 173,117.30/x
  3. Step 3: Cross multiply
    528,067.40x = 792,101.10 × 173,117.30
  4. Step 4: Simplify right side
    528,067.40x = 137,126,403,759.03
  5. Step 5: Solve for x
    x = 137,126,403,759.03/528,067.40
  6. Step 6: Final answer
    x = 259,675.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.