Home / 526,401.60-789,991.20-348,849.60

Finding the Fourth Proportional to 526,401.60, 789,991.20 and 348,849.60

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Solution

The fourth proportional to 526,401.60, 789,991.20 and 348,849.60 is: 523,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,401.60 : 789,991.20 = 348,849.60 : x
  2. Step 2: Convert to fraction form
    526,401.60/789,991.20 = 348,849.60/x
  3. Step 3: Cross multiply
    526,401.60x = 789,991.20 × 348,849.60
  4. Step 4: Simplify right side
    526,401.60x = 275,588,114,123.52
  5. Step 5: Solve for x
    x = 275,588,114,123.52/526,401.60
  6. Step 6: Final answer
    x = 523,532.06

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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.