Home / 528,091.60-792,137.40-173,117.20

Finding the Fourth Proportional to 528,091.60, 792,137.40 and 173,117.20

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Solution

The fourth proportional to 528,091.60, 792,137.40 and 173,117.20 is: 259,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,091.60 : 792,137.40 = 173,117.20 : x
  2. Step 2: Convert to fraction form
    528,091.60/792,137.40 = 173,117.20/x
  3. Step 3: Cross multiply
    528,091.60x = 792,137.40 × 173,117.20
  4. Step 4: Simplify right side
    528,091.60x = 137,132,608,703.28
  5. Step 5: Solve for x
    x = 137,132,608,703.28/528,091.60
  6. Step 6: Final answer
    x = 259,675.80

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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.