Home / 449,748.90-674,623.35-344,772.90

Finding the Fourth Proportional to 449,748.90, 674,623.35 and 344,772.90

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Solution

The fourth proportional to 449,748.90, 674,623.35 and 344,772.90 is: 517,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,748.90 : 674,623.35 = 344,772.90 : x
  2. Step 2: Convert to fraction form
    449,748.90/674,623.35 = 344,772.90/x
  3. Step 3: Cross multiply
    449,748.90x = 674,623.35 × 344,772.90
  4. Step 4: Simplify right side
    449,748.90x = 232,591,848,787.22
  5. Step 5: Solve for x
    x = 232,591,848,787.22/449,748.90
  6. Step 6: Final answer
    x = 517,159.35

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Double scale
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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.