Home / 528,076.90-792,115.35-173,126.80

Finding the Fourth Proportional to 528,076.90, 792,115.35 and 173,126.80

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Solution

The fourth proportional to 528,076.90, 792,115.35 and 173,126.80 is: 259,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,076.90 : 792,115.35 = 173,126.80 : x
  2. Step 2: Convert to fraction form
    528,076.90/792,115.35 = 173,126.80/x
  3. Step 3: Cross multiply
    528,076.90x = 792,115.35 × 173,126.80
  4. Step 4: Simplify right side
    528,076.90x = 137,136,395,776.38
  5. Step 5: Solve for x
    x = 137,136,395,776.38/528,076.90
  6. Step 6: Final answer
    x = 259,690.20

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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.