Home / 497,795.40-746,693.10-409,221.90

Finding the Fourth Proportional to 497,795.40, 746,693.10 and 409,221.90

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Solution

The fourth proportional to 497,795.40, 746,693.10 and 409,221.90 is: 613,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,795.40 : 746,693.10 = 409,221.90 : x
  2. Step 2: Convert to fraction form
    497,795.40/746,693.10 = 409,221.90/x
  3. Step 3: Cross multiply
    497,795.40x = 746,693.10 × 409,221.90
  4. Step 4: Simplify right side
    497,795.40x = 305,563,169,098.89
  5. Step 5: Solve for x
    x = 305,563,169,098.89/497,795.40
  6. Step 6: Final answer
    x = 613,832.85

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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.