Home / 526,464-789,778.08-171,394.20

Finding the Fourth Proportional to 526,464, 789,778.08 and 171,394.20

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Solution

The fourth proportional to 526,464, 789,778.08 and 171,394.20 is: 257,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,464 : 789,778.08 = 171,394.20 : x
  2. Step 2: Convert to fraction form
    526,464/789,778.08 = 171,394.20/x
  3. Step 3: Cross multiply
    526,464x = 789,778.08 × 171,394.20
  4. Step 4: Simplify right side
    526,464x = 135,363,382,199.14
  5. Step 5: Solve for x
    x = 135,363,382,199.14/526,464
  6. Step 6: Final answer
    x = 257,118.02

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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.