Home / 385,769.10-533,377.20-337,885.05

Finding the Fourth Proportional to 385,769.10, 533,377.20 and 337,885.05

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Solution

The fourth proportional to 385,769.10, 533,377.20 and 337,885.05 is: 467,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,769.10 : 533,377.20 = 337,885.05 : x
  2. Step 2: Convert to fraction form
    385,769.10/533,377.20 = 337,885.05/x
  3. Step 3: Cross multiply
    385,769.10x = 533,377.20 × 337,885.05
  4. Step 4: Simplify right side
    385,769.10x = 180,220,181,890.86
  5. Step 5: Solve for x
    x = 180,220,181,890.86/385,769.10
  6. Step 6: Final answer
    x = 467,171.12

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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.