Home / 519,487.48-779,231.17-263,280.14

Finding the Fourth Proportional to 519,487.48, 779,231.17 and 263,280.14

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Solution

The fourth proportional to 519,487.48, 779,231.17 and 263,280.14 is: 394,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,487.48 : 779,231.17 = 263,280.14 : x
  2. Step 2: Convert to fraction form
    519,487.48/779,231.17 = 263,280.14/x
  3. Step 3: Cross multiply
    519,487.48x = 779,231.17 × 263,280.14
  4. Step 4: Simplify right side
    519,487.48x = 205,156,089,581.89
  5. Step 5: Solve for x
    x = 205,156,089,581.89/519,487.48
  6. Step 6: Final answer
    x = 394,920.18

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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.