Home / 385,211.10-577,816.65-227,358.30

Finding the Fourth Proportional to 385,211.10, 577,816.65 and 227,358.30

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Solution

The fourth proportional to 385,211.10, 577,816.65 and 227,358.30 is: 341,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,211.10 : 577,816.65 = 227,358.30 : x
  2. Step 2: Convert to fraction form
    385,211.10/577,816.65 = 227,358.30/x
  3. Step 3: Cross multiply
    385,211.10x = 577,816.65 × 227,358.30
  4. Step 4: Simplify right side
    385,211.10x = 131,371,411,255.70
  5. Step 5: Solve for x
    x = 131,371,411,255.70/385,211.10
  6. Step 6: Final answer
    x = 341,037.45

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Similar ratio
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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.