Home / 385,769.85-533,378.24-337,885.80

Finding the Fourth Proportional to 385,769.85, 533,378.24 and 337,885.80

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Solution

The fourth proportional to 385,769.85, 533,378.24 and 337,885.80 is: 467,172.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,769.85 : 533,378.24 = 337,885.80 : x
  2. Step 2: Convert to fraction form
    385,769.85/533,378.24 = 337,885.80/x
  3. Step 3: Cross multiply
    385,769.85x = 533,378.24 × 337,885.80
  4. Step 4: Simplify right side
    385,769.85x = 180,220,931,635.56
  5. Step 5: Solve for x
    x = 180,220,931,635.56/385,769.85
  6. Step 6: Final answer
    x = 467,172.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.