Home / 779,081.75-1,170,677.55-419,518.44

Finding the Fourth Proportional to 779,081.75, 1,170,677.55 and 419,518.44

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Solution

The fourth proportional to 779,081.75, 1,170,677.55 and 419,518.44 is: 630,384.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,081.75 : 1,170,677.55 = 419,518.44 : x
  2. Step 2: Convert to fraction form
    779,081.75/1,170,677.55 = 419,518.44/x
  3. Step 3: Cross multiply
    779,081.75x = 1,170,677.55 × 419,518.44
  4. Step 4: Simplify right side
    779,081.75x = 491,120,823,909.06
  5. Step 5: Solve for x
    x = 491,120,823,909.06/779,081.75
  6. Step 6: Final answer
    x = 630,384.20

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Double scale
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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.